Fond du Lac to Thunder Bay: Road Trip Guide & Distance

How far is Fond du Lac from Thunder Bay?

The distance from Fond du Lac to Thunder Bay is 320.6 miles (515.9 km) as the crow flies. Thunder Bay is located N of Fond du Lac. By car, the driving distance is approximately 384.7 miles, taking about 7h 44min. A direct flight would take roughly 1h 9min. Fond du Lac is in Wisconsin, United States, while Thunder Bay is in Ontario, Canada.

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. Keep in mind this route crosses international borders. Don't forget your passport, and check current border crossing times and vehicle insurance requirements.

Coordinates come from public place data for Fond du Lac and Thunder Bay. 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.