Knoxville to Marion, Ohio: Road Trip Guide & Distance

How far is Knoxville from Marion, Ohio?

The distance from Knoxville to Marion, Ohio is 322.6 miles (519.2 km) as the crow flies. Marion, Ohio is located N of Knoxville. By car, the driving distance is approximately 387.1 miles, taking about 7h 47min. A direct flight would take roughly 1h 9min. Both are located in United States — Knoxville in Tennessee and Marion, Ohio in Ohio.

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.

Coordinates come from public place data for Knoxville and Marion, Ohio. 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.