Fort Smith to Mount Vernon, Illinois: Road Trip Guide & Distance

How far is Fort Smith from Mount Vernon, Illinois?

The distance from Fort Smith to Mount Vernon, Illinois is 365.1 miles (587.5 km) as the crow flies. Mount Vernon, Illinois is located NE of Fort Smith. By car, the driving distance is approximately 438.1 miles, taking about 8h 49min. A direct flight would take roughly 1h 14min. Both are located in United States — Fort Smith in Arkansas and Mount Vernon, Illinois in Illinois.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Fort Smith and Mount Vernon, Illinois. 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.