Knoxville to Portsmouth, Ohio: Road Trip Guide & Distance

How far is Knoxville from Portsmouth, Ohio?

The distance from Knoxville to Portsmouth, Ohio is 198 miles (318.7 km) as the crow flies. Portsmouth, Ohio is located NNE of Knoxville. By car, the driving distance is approximately 247.6 miles, taking about 4h 59min. A direct flight would take roughly 54min. Both are located in United States — Knoxville in Tennessee and Portsmouth, Ohio in Ohio.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Knoxville 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.