Dayton to Manassas: Road Trip Guide & Distance

How far is Dayton from Manassas?

The distance from Dayton to Manassas is 365.9 miles (588.9 km) as the crow flies. Manassas is located E of Dayton. By car, the driving distance is approximately 439.1 miles, taking about 8h 50min. A direct flight would take roughly 1h 14min. Both are located in United States — Dayton in Ohio and Manassas in Virginia.

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 Manassas. 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.