Marion, Ohio to Oak Ridge: Road Trip Guide & Distance

How far is Marion, Ohio from Oak Ridge?

The distance from Marion, Ohio to Oak Ridge is 322.3 miles (518.7 km) as the crow flies. Oak Ridge is located SSW of Marion, Ohio. By car, the driving distance is approximately 386.7 miles, taking about 7h 47min. A direct flight would take roughly 1h 9min. Both are located in United States — Marion, Ohio in Ohio and Oak Ridge in Tennessee.

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 Marion, Ohio and Oak Ridge. 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.