Eldersburg to Portsmouth, Ohio: Road Trip Guide & Distance

How far is Eldersburg from Portsmouth, Ohio?

The distance from Eldersburg to Portsmouth, Ohio is 327.6 miles (527.3 km) as the crow flies. Portsmouth, Ohio is located W of Eldersburg. By car, the driving distance is approximately 393.2 miles, taking about 7h 55min. A direct flight would take roughly 1h 10min. Both are located in United States — Eldersburg in Maryland 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. 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 Eldersburg 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.