Dayton to Janesville: Road Trip Guide & Distance

How far is Dayton from Janesville?

The distance from Dayton to Janesville is 322 miles (518.2 km) as the crow flies. Janesville is located NW of Dayton. By car, the driving distance is approximately 386.4 miles, taking about 7h 46min. A direct flight would take roughly 1h 9min. Both are located in United States — Dayton in Ohio and Janesville in Wisconsin.

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 Dayton and Janesville. 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.