Thunder Bay to Winona: Road Trip Guide & Distance

How far is Thunder Bay from Winona?

The distance from Thunder Bay to Winona is 320.3 miles (515.5 km) as the crow flies. Winona is located SSW of Thunder Bay. By car, the driving distance is approximately 384.4 miles, taking about 7h 44min. A direct flight would take roughly 1h 9min. Thunder Bay is in Ontario, Canada, while Winona is in Minnesota, United States.

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. 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 Thunder Bay and Winona. 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.