Knoxville to Reston: Road Trip Guide & Distance

How far is Knoxville from Reston?

The distance from Knoxville to Reston is 416.3 miles (669.9 km) as the crow flies. Reston is located ENE of Knoxville. By car, the driving distance is approximately 499.5 miles, taking about 10h 3min. A direct flight would take roughly 1h 20min. Both are located in United States — Knoxville in Tennessee and Reston in Virginia.

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 Knoxville and Reston. 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.