Great Smoky Mountains to Marion, Ohio: Road Trip Guide & Distance

How far is Great Smoky Mountains from Marion, Ohio?

The distance from Great Smoky Mountains to Marion, Ohio is 344.4 miles (554.3 km) as the crow flies. Marion, Ohio is located N of Great Smoky Mountains. By car, the driving distance is approximately 413.3 miles, taking about 8h 19min. A direct flight would take roughly 1h 12min. Both are located in United States — Great Smoky Mountains 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. Heading North for this distance usually means noticeable weather changes. Make sure to check the forecast for your destination before hitting the road.

Coordinates come from public place data for Great Smoky Mountains 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.