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For many first-time international visitors, the biggest surprise when planning an American RV trip is scale. Distances between cities, fuel stops, and campgrounds are far greater than in most of Europe, and travel times can be longer than they appear on a map. Careful route planning is essential to stay within rental terms, driving comfort limits, and campground availability. Understanding US measurements, road systems, and overnight options helps avoid fatigue, missed reservations, and unexpected costs. This guide explains how to plan realistic long-distance RV routes in the United States, with clear explanations of US-specific terms and practical differences compared with European campervan travel.
The United States measures distance in miles, not kilometres. One mile equals about 1.6 kilometres. Speed limits are shown in miles per hour (mph).
Unlike Europe, you may drive for several hours without passing towns or services, especially in rural or desert areas. Weather, terrain, and traffic conditions can significantly affect travel time.
US interstates are multi-lane motorways designed for long-distance travel. They are usually easier for large RVs than smaller local roads, but they may bypass fuel or services for long stretches.
Mountain roads and scenic byways can involve steep grades, sharp curves, and lower speed limits. Always check route restrictions and elevation changes when planning with a larger RV.
Fuel is sold in gallons, not litres (1 US gallon ≈ 3.8 litres). Most RVs use unleaded petrol or diesel, depending on the vehicle. Distances between fuel stations can be much longer than in Europe, particularly in national parks and remote regions. Refill before fuel drops below a quarter tank.
Campgrounds in the USA often need to be booked in advance, particularly during summer, school holidays, and around national parks.
State parks are government-run campgrounds with good facilities but limited availability. Rules for overnight stays, generator use, and length limits vary by state and by campground.
Many travellers can drive a US RV using a standard car licence, but requirements can vary by rental company and by state, particularly for larger vehicles. Roads are generally wide, but speed limits are strictly enforced.
For licence, age, and insurance questions, see the planning FAQs.
Large cities work well as start, end, or resupply points for long-distance routes. For example, routes beginning in Chicago often focus on central and northern states, while trips from Atlanta may cover the southeast.
Plan city driving carefully. Urban areas may have toll roads, congestion, low bridges, or restrictions on where large RVs can park.
Once you have a realistic long-distance route in mind, check vehicle availability for your travel dates and starting city on USARVRentals.com to match your plan with the right RV.