O'Fallon, Missouri to Yellowstone: Road Trip Guide & Distance

How far is O'Fallon, Missouri from Yellowstone?

The distance from O'Fallon, Missouri to Yellowstone is 1094.7 miles (1761.8 km) as the crow flies. Yellowstone is located WNW of O'Fallon, Missouri. By car, the driving distance is approximately 1313.7 miles, taking about 26h 26min. A direct flight would take roughly 2h 42min. Both are located in United States — O'Fallon, Missouri in Missouri and Yellowstone in Wyoming.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for O'Fallon, Missouri and Yellowstone. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.