Wanderlust World Wanderlust World The overland journey from Springfield, Missouri to Yellowstone National Park spans approximately 1,240 miles (1,996 kilometers) via the most direct interstate routes (primarily I-44 W → I-29 N → I-90 W).
Expect 18–20 hours of pure driving time, typically spread over 2–3 days. The route crosses the Great Plains, skirts the Black Hills (optional detour to Mount Rushmore), and enters Wyoming's high country before reaching the park's various entrances (West Yellowstone, MT; Cody, WY; Jackson, WY; Gardiner, MT; Cooke City, MT).
Fuel costs (at 25 mpg, $3.50/gal) run ~$175 one-way. Check road conditions (especially spring/fall snow in WY/MT) and park entrance status (some gates close seasonally) before departure. Consider flying to Bozeman (BZN), Jackson (JAC), or Idaho Falls (IDA) and renting a car to save two full travel days.