How far is Duluth, MN, from Thunder Bay?
The distance between Thunder Bay (Thunder Bay International Airport) and Duluth (Duluth International Airport) is 171 miles / 275 kilometers / 148 nautical miles.
The driving distance from Thunder Bay (YQT) to Duluth (DLH) is 193 miles / 311 kilometers, and travel time by car is about 4 hours 22 minutes.
Thunder Bay International Airport – Duluth International Airport
Search flights
Distance from Thunder Bay to Duluth
There are several ways to calculate the distance from Thunder Bay to Duluth. Here are two standard methods:
Vincenty's formula (applied above)- 170.702 miles
- 274.718 kilometers
- 148.336 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 170.400 miles
- 274.232 kilometers
- 148.073 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Thunder Bay to Duluth?
The estimated flight time from Thunder Bay International Airport to Duluth International Airport is 49 minutes.
What is the time difference between Thunder Bay and Duluth?
The time difference between Thunder Bay and Duluth is 1 hour. Duluth is 1 hour behind Thunder Bay.
Flight carbon footprint between Thunder Bay International Airport (YQT) and Duluth International Airport (DLH)
On average, flying from Thunder Bay to Duluth generates about 50 kg of CO2 per passenger, and 50 kilograms equals 111 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Thunder Bay to Duluth
See the map of the shortest flight path between Thunder Bay International Airport (YQT) and Duluth International Airport (DLH).
Airport information
| Origin | Thunder Bay International Airport |
|---|---|
| City: | Thunder Bay |
| Country: | Canada  |
| IATA Code: | YQT |
| ICAO Code: | CYQT |
| Coordinates: | 48°22′18″N, 89°19′26″W |
| Destination | Duluth International Airport |
|---|---|
| City: | Duluth, MN |
| Country: | United States  |
| IATA Code: | DLH |
| ICAO Code: | KDLH |
| Coordinates: | 46°50′31″N, 92°11′36″W |