Duncan, Oklahoma to Fort Smith: Road Trip Guide & Distance

How far is Duncan, Oklahoma from Fort Smith?

The distance from Duncan, Oklahoma to Fort Smith is 210.6 miles (338.9 km) as the crow flies. Fort Smith is located ENE of Duncan, Oklahoma. By car, the driving distance is approximately 263.2 miles, taking about 5h 18min. A direct flight would take roughly 55min. Both are located in United States — Duncan, Oklahoma in Oklahoma and Fort Smith in Arkansas.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. 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 Duncan, Oklahoma and Fort Smith. 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.