Isle Royale to Onalaska: Road Trip Guide & Distance

How far is Isle Royale from Onalaska?

The distance from Isle Royale to Onalaska is 305.7 miles (491.9 km) as the crow flies. Onalaska is located SSW of Isle Royale. By car, the driving distance is approximately 382.1 miles, taking about 7h 41min. A direct flight would take roughly 1h 7min. Both are located in United States — Isle Royale in Michigan and Onalaska 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 Isle Royale and Onalaska. 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.