Roadtrip with RVshare Seattle to Casper

Those in search of a journey through some of America's most rugged territory should consider hitting the road on a Seattle to Casper road trip. On this trip, you'll be able to explore some of the greatest alpine national parks in the U.S. Plenty of fantastic state parks, and tourist attractions are along your route as well. Given the interesting cities you'll pass through on your road trip from Seattle to Casper, you won't have any trouble finding fun and excitement on your journey. 

Seattle to Casper Road Trip Itinerary

  • Trip length: 16 hours and 17 minutes
  • Mileage: 1,093 miles
  • Fun Fact: Interstate 90 is 3,020 miles long, so it’s America’s longest interstate.

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Nearby National Parks

North Cascades National Park  

All you have to do to visit North Cascades National Park is travel two hours north of Bellevue. This remote national park is on the US-Canadian border and features part of the jagged, rugged Cascades Mountain range. It's also home to roughly one-third of America's glaciers, some gorgeous turquoise blue lakes, and even fields of wildflowers in the spring. Many of the trails here are advanced and strenuous, but there are still some easy and moderate trails that provide plenty of beauty.

Mount Rainier National Park

Mount Rainier is one of the great symbols of the Seattle area, so adding Mount Rainier National Park to your road trip itinerary from Seattle to Casper is a must. Mount Rainier itself is more than 14,000 feet high, and the park itself covers more than 236,000 acres. Old-growth forests, wildflower-filled meadows, glaciers, valleys, and more await you at this park two hours southeast of Bellevue. Whether you want to summit Mount Rainier, explore all around its base, or take a leisurely stroll along the banks of a river, Mount Rainier National Park has a trail for you.

Glacier National Park  

If you want to take in even more glaciers, mountains, and rugged scenery, then traveling two and a half hours northeast of St. Regis, Montana, to visit Glacier National Park is a no-brainer. One million acres of land on the US-Canadian border is home to more than 700 miles of trails, over a thousand species of flora and fauna, and more than 130 named lakes. Backcountry camping, rock-climbing, backpacking, hiking, fishing, skiing, and more are possible at this awesome adventure park. 

Yellowstone National Park  

Yellowstone National Park is America's first national park for good reason, so how could you pass up the opportunity to see it on your Seattle to Casper RV road trip when you only need to travel an hour south of Livingston, Montana, to get there? Grand Prismatic Spring, Fairy Falls, the Lone Star Geyser, Queen's Laundry, and other awesome features await. Nowhere else on Earth has more hot springs and geysers, but the park also contains great views of the Rocky Mountains and numerous plants and animals. 

Grand Teton National Park  

The entrance to Grand Teton National Park is nearly five hours south of Livingston, but it's only two hours and 40 minutes from Yellowstone. If the mountain vistas and wildlife of Yellowstone left you longing to see more of this type of environment, then Grand Teton National Park is the place to go. You'll be able to hike on more than 200 miles of trails that take you through mountains, past waterfalls, and beside clear mountain lakes. The town of Jackson Hole is nearby, so you'll be able to visit some of the great tourist attractions there once you're finished exploring Grand Teton National Park.

Nearby State Parks

Riverside State Park  

Riverside State Park is only 16 minutes northwest of Spokane, Washington. This park features more than 9,000 acres of fun and adventure, thanks to the Spokane River and multiple creeks in the park. You can also take advantage of the 55 miles of hiking trails in this gorgeous state park in Eastern Washington.

Farragut State Park  

Half an hour north of Coeur d’Alene, Idaho, is the lovely Farragut State Park. The park gives you access to Lake Pend Oreille, so you'll have plenty of places for swimming, fishing, and boating. There are multiple great trails for hiking and biking; there's even a corral and paths for those who wish to go horseback riding. If you're into disc golf, you can play the 18-hole course in the park. 

Heyburn State Park  

If you head 40 minutes in the other direction from Coeur d'Alene, you'll be able to add Heyburn State Park to your road trip itinerary from Seattle to Casper. Three lakes and a river converge at this point, so is its status as the Pacific Northwest's oldest state park surprising? This is a great place for water sports; you can even rent canoes, kayaks, and more at the park's marina. 

Salmon Lake State Park  

About 40 minutes northeast of Missoula, Montana, is Salmon Lake State Park. Salmon Lake itself is situated between two mountain ranges and is a lovely setting for fishing, boating, and swimming. Bird-watchers love this park as they can often spot bald eagles, loons, and numerous other species here, thanks to the multiple habitats in the park. 

Missouri Headwaters State Park  

Missouri Headwaters State Park is eight minutes from Three Forks, Montana, and is only a few minutes from your route. In addition to being the head of the Missouri River, this park is also a National Historic Landmark thanks to its status as a campsite of the Lewis and Clark Expedition. This is, of course, a great place to go fishing and boating, but you can also go hunting and hiking here.

Along the Way

Snoqualmie Falls  

Snoqualmie Falls is only about 10 minutes from the outskirts of Snoqualmie, Washington, so you can't miss the opportunity to see this amazing Washington attraction on your road trip from Seattle to Casper. In addition to viewing the thundering majesty of the falls themselves, you can also watch the falls from the observation deck, stroll around the surrounding two acres of the park, and buy a souvenir in the gift shop.

Manito Park  

Since Manito Park is only seven minutes from the heart of Spokane and four from your route, it's a logical addition to your road trip itinerary from Seattle to Casper. Visitors come here primarily for the five high-quality gardens, but you can also visit the Mirror Pond, the Loop Drive, the Park Cafe, and the Gaiser Conservatory.

Missoula Art Museum  

The Missoula Art Museum is in the middle of Missoula, Montana, and is right off your route. It primarily displays regional contemporary art, but it also has a sizable collection of Native American contemporary art. Admission to this museum is free, so you'll be able to save your money for other parts of your journey. 

Museum of the Rockies  

Roughly 10 minutes from the outskirts of Bozeman, Montana, is the Museum of the Rockies. If you want to see an outstanding collection of fossils on your Seattle to Casper RV road trip, then this Bozeman museum is a must-see. They even have a fully mounted T. Rex skeleton, so you can see this king of the dinosaurs in all its glory. 


If you want to see more than 80 animals representing 56 species, then you should stop by ZooMontana. It's only five minutes from Yegen, Montana, and is close to Billings. There's also a botanical garden network here that's comprised of nine separate gardens connected by a robust trail system. 

Main Cities You Will Pass Through

Spokane, Washington  

When you visit Spokane, be sure to check out Spokane Falls, Manito Park, and Riverfront Park. There are multiple great dump stations and campgrounds in the area for your convenience.

Coeur d’Alene, Idaho  

Just because you only go through Idaho's panhandle on this road trip from Seattle to Casper doesn't mean that you can't make the most of your time while there. Coeur d'Alene's best attraction is Lake Coeur d'Alene, which features some great resorts and trails. Unsurprisingly, there are plenty of quality dump stations and campgrounds in this lovely part of Idaho.

Missoula, Montana  

Some great places to visit in Missoula are the Rocky Mountain Elk Foundation, Garnet Ghost Town, and A Carousel for Missoula. You won’t have trouble finding excellent dump stations and campgrounds nearby for your camper.

Bozeman, Montana  

Downtown Bozeman has some great places to shop and dine; you can also visit fun locations like the Museum of the Rockies and Montana Grizzly Encounter. There are many top-notch dump stations and campgrounds close by.

Billings, Montana  

ZooMontana, the Moss Mansion, Yellowstone Art Museum, and more await you in beautiful Billings. While you’re busy exploring these and other great locations in the area, you can take advantage of many local dump stations and campgrounds.

Find Adventure from Seattle to Casper

Find your One-Way Rental

When you follow this road trip itinerary from Seattle to Casper, you will enjoy historic locations and beautiful scenery along the way. If you want to travel in comfort and style, consider an RV rental from RVshare. From large motorhomes to compact campervans, there is a rig that will meet your travel and budget needs. Once you hit the road, you are protected by our renter guarantee and 24/7 roadside assistance. Find the perfect vehicle for your travel needs in Seattle or Casper.