Air Miles Calculator

Distance between Chicago, IL (ORD) and Thunder Bay (YQT)

Flight distance from Chicago to Thunder Bay (Chicago O'Hare International Airport – Thunder Bay International Airport) is 447 miles / 719 kilometers / 388 nautical miles. Estimated flight time is 1 hour 20 minutes.

Driving distance from Chicago (ORD) to Thunder Bay (YQT) is 646 miles / 1039 kilometers and travel time by car is about 11 hours 52 minutes.

Map of flight path and driving directions from Chicago to Thunder Bay.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Thunder Bay International Airport (YQT).

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).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Thunder Bay International Airport
City: Thunder Bay
Country: Canada Flag of Canada
IATA Code: YQT
ICAO Code: CYQT
Coordinates: 48°22′18″N, 89°19′26″W

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.

Time Difference

Chicago, IL

 CST

Thunder Bay

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 91 kg (200 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Thunder Bay (YQT).

Distance:
447
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
447

Round trip?