Marietta to Portsmouth, Ohio: Road Trip Guide & Distance

How far is Marietta from Portsmouth, Ohio?

The distance from Marietta to Portsmouth, Ohio is 341.3 miles (549.3 km) as the crow flies. Portsmouth, Ohio is located NNE of Marietta. By car, the driving distance is approximately 409.6 miles, taking about 8h 14min. A direct flight would take roughly 1h 11min. Both are located in United States — Marietta in Georgia and Portsmouth, 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 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 Marietta and Portsmouth, 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.