Fort Smith to Round Rock: Road Trip Guide & Distance

How far is Fort Smith from Round Rock?

The distance from Fort Smith to Round Rock is 386.9 miles (622.7 km) as the crow flies. Round Rock is located SSW of Fort Smith. By car, the driving distance is approximately 464.3 miles, taking about 9h 20min. A direct flight would take roughly 1h 17min. Both are located in United States — Fort Smith in Arkansas and Round Rock in Texas.

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. 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.

Coordinates come from public place data for Fort Smith and Round Rock. 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.