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

How far is Ocean City from O'Fallon, Missouri?

The distance from Ocean City to O'Fallon, Missouri is 843.1 miles (1356.8 km) as the crow flies. O'Fallon, Missouri is located W of Ocean City. By car, the driving distance is approximately 1011.7 miles, taking about 20h 21min. A direct flight would take roughly 2h 12min. Both are located in United States — Ocean City in Maryland and O'Fallon, Missouri in Missouri.

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 Ocean City and O'Fallon, Missouri. 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.