Dayton to Olney: Road Trip Guide & Distance

How far is Dayton from Olney?

The distance from Dayton to Olney is 382.3 miles (615.2 km) as the crow flies. Olney is located E of Dayton. By car, the driving distance is approximately 458.7 miles, taking about 9h 14min. A direct flight would take roughly 1h 16min. Both are located in United States — Dayton in Ohio and Olney in Maryland.

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 Dayton and Olney. 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.