Duluth, Minnesota to Thunder Bay: Road Trip Guide & Distance

How far is Duluth, Minnesota from Thunder Bay?

The distance from Duluth, Minnesota to Thunder Bay is 173 miles (278.4 km) as the crow flies. Thunder Bay is located NE of Duluth, Minnesota. By car, the driving distance is approximately 216.2 miles, taking about 4h 21min. A direct flight would take roughly 51min. Duluth, Minnesota is in Minnesota, United States, while Thunder Bay is in Ontario, Canada.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. Keep in mind this route crosses international borders. Don't forget your passport, and check current border crossing times and vehicle insurance requirements. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Duluth, Minnesota 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.