How far is Thunder Bay from Chicago?
There are several ways to calculate distances between Chicago and Thunder Bay. Here are two common methods:Vincenty's formula (applied above)
- 446.882 miles
- 719.187 kilometers
- 388.330 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 447.087 miles
- 719.517 kilometers
- 388.508 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).
Estimated flight time from O'Hare International Airport (ORD) to Thunder Bay International Airport (YQT) is 1 hour 20 minutes.
Time difference and current local times
The time difference between Chicago and Thunder Bay is 1 hour. Thunder Bay is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 91 kg (201 pounds).
Chicago to Thunder Bay flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Thunder Bay (YQT).