
Days 1-5 — The Midwest Departure & Prairie Transitions
~550–650 mi across this legTransition from vibrant urban exploration in Minnesota to the vast, open prairies and early pioneer history of eastern South Dakota.
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| Duration | 20 Days |
| Distance | 2,245 mi |
| Start / End | Minneapolis, MN to Portland, OR |
| States Crossed | Idaho, Minnesota, Oregon, South Dakota, Wyoming |
| Best Fit For | Families, wildlife enthusiasts, and history buffs |
| Best Season | Late Spring to Early Fall |
An epic motorhome journey from the Midwest to the Pacific Northwest offers the ultimate American road trip experience. Covering 2,245 mi over 20 days, this route transitions beautifully from the vibrant cultural hubs of Minnesota through the rugged landscapes of South Dakota and Wyoming, before crossing into Idaho and culminating in the lush, green valleys of Oregon. Traveling by RV allows you to embrace slow travel, giving you the freedom to wake up near towering mountain peaks, vast prairies, and historic monuments without the constant need to unpack. The wide-open highways of the western United States are incredibly RV-friendly, featuring well-equipped campgrounds and expansive scenic overlooks perfect for larger vehicles.
To truly appreciate this cross-country expedition, dividing the trip into manageable regional stages ensures you spend less time rushing and more time exploring. Here is the general rhythm for this 20-day adventure:
This itinerary is packed with diverse points of interest, blending natural wonders with rich cultural history.
Nature takes center stage on this route. Start your trip by exploring diverse animal habitats at the Minnesota Zoo. As you push west, the landscape opens up at the Big Badlands Overlook, offering sweeping views of the rugged terrain. Subterranean explorers will marvel at guided tours through Jewel Cave National Monument. In Wyoming, the geothermal marvels of the Old Faithful Visitor and Education Center are a must-see, while the Elephant Back Mountain Trailhead provides excellent hiking. You can also enjoy the serene waters at Bridge Bay Marina or experience the thrill of seeing bears and other native wildlife up close in their natural habitats.
The route is a rolling museum of American history. In Minneapolis, taste global cuisines at the Midtown Global Market and wander through the iconic Minneapolis Sculpture Garden. As you enter South Dakota, learn about early indigenous cultures at the Mitchell Prehistoric Indian Village. The monumental Mount Rushmore National Memorial stands as a highlight of the trip. Dive deep into pioneer history at the Four Mile Old West Town Museum and the Mountain Meadow Wool Mill. In Wyoming, the Buffalo Bill Center of the West offers an unparalleled look into the life and legacy of the legendary frontiersman, while the National Museum of Wildlife Art showcases stunning regional masterpieces.
Balance your historical and natural discoveries with thrilling activities and local dining. Families will love the rides and attractions at Rush Mountain Adventure Park. For a true taste of the West, saddle up for a guided ride with Swift Creek Outfitters - Teton Horseback Adventures. When it is time to dine, satisfy your appetite at the Cowboy Bar & Grill, or enjoy a cold drink while sitting on a saddle barstool at the famous Million Dollar Cowboy Bar.
How many days do I need?
A 20-day timeline is optimal for this 2,245 mi journey. It allows you to average just over 100 miles per day, ensuring plenty of time for hiking, guided tours, and relaxing at your campsite without feeling rushed.
Is this RV route worth it?
Absolutely. This specific corridor offers a rare combination of major urban centers, world-renowned national monuments, geothermal wonders, and pristine wilderness. It is a highly rewarding route that showcases the geographical diversity of the northern United States.
Who is this trip best for?
This itinerary is perfect for families seeking educational and adventurous stops, wildlife enthusiasts, and travelers who appreciate the rich history of the American West.
What is the best season to travel?
Late spring through early fall is the best time to embark on this journey. Summer offers full access to high-elevation park roads and outdoor attractions, though early fall provides stunning foliage and fewer crowds. Winter travel is not recommended due to heavy snowfall and road closures in Wyoming and Idaho.
Planning a 20-day cross-country RV trip requires careful consideration of several logistical factors. Because this is a point-to-point journey from Minneapolis to Portland, you will need to account for a one-way drop fee, which varies by fleet provider. Additionally, check the mileage allowance on your rental; a 2,245 mi trip will likely require purchasing a mileage package to avoid per-mile overage charges.
Your main daily expenses will include fuel, campground reservations (a mix of state parks and private RV resorts is recommended), groceries, and attraction entrance fees. Booking your motorhome well in advance—ideally four to six months prior to your departure—ensures the best selection of vehicles and more favorable rates. For specific details on fleet options, sizing, and seasonal pricing, review the live options below.
From the prairies of the Midwest to the peaks of the Tetons and the lush forests of the Pacific Northwest, this 20-day journey is the road trip of a lifetime. Start planning your adventure and secure the perfect vehicle by visiting RV PLANET today.
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| Nearby RV rental stations | Use Rent Motorhome to find the closest pickup stations |
|---|---|
| Sample RV cost — 4 travelers (Class A / B / C) | {{BANDANA_PRICING_TABLE}} |
| Estimated fuel cost (total) | $750–$950 |
| Estimated campground cost (total) | $1,000–$1,500 |
| Estimated attractions & entrance fees — family of 4 | $400–$650 |
| Estimated groceries / self-catered food — family of 4 | $900–$1,300 |
| Live availability & pricing | Check live availability & pricing on Rent Motorhome → |
Estimate assumptions: Estimates based on a Class C motorhome averaging 10 mpg, mixed state park and private campground stays averaging $65/night, and summer travel. All figures are estimates — verify on Rent Motorhome and RV PLAN for your travel dates.
A high-level look at how the route flows in stages. The exact daily stops, overnight picks, and detour options are built for you inside RV PLAN — open the route to see the full plan.

Transition from vibrant urban exploration in Minnesota to the vast, open prairies and early pioneer history of eastern South Dakota.

Slow down to explore dramatic geological formations, monumental stone sculptures, and rich western heritage in western South Dakota.

Navigate majestic mountain ranges while taking ample time to witness iconic geothermal landscapes and abundant wildlife.

Journey through the rugged wilderness of Idaho, crossing river valleys and dense pine forests before arriving in the lush Pacific Northwest.
Total cost for this 20-day itinerary depends on the rig you pick, the pickup season, mileage add-ons, and any one-way drop-off fee across the 2,245 mi route. Check live availability and a real quote for the Minneapolis → Portland pickup window on Rent Motorhome.
Live availability & pricing for this exact route
Prices update daily. See the full breakdown — nightly rate, taxes, one-way fee, mileage package — for your travel dates.
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