Martinsburg to Portsmouth, Ohio: Road Trip Guide & Distance

How far is Martinsburg from Portsmouth, Ohio?

The distance from Martinsburg to Portsmouth, Ohio is 274.5 miles (441.8 km) as the crow flies. Portsmouth, Ohio is located W of Martinsburg. By car, the driving distance is approximately 343.2 miles, taking about 6h 54min. A direct flight would take roughly 1h 3min. Both are located in United States — Martinsburg in West Virginia 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. 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 Martinsburg 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.