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

How far is O'Fallon, Missouri from Petrified Forest?

The distance from O'Fallon, Missouri to Petrified Forest is 1086.8 miles (1749 km) as the crow flies. Petrified Forest is located W of O'Fallon, Missouri. By car, the driving distance is approximately 1304.1 miles, taking about 26h 14min. A direct flight would take roughly 2h 41min. Both are located in United States — O'Fallon, Missouri in Missouri and Petrified Forest in Arizona.

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 Petrified Forest. 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.