How far is Thunder Bay from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Thunder Bay (Thunder Bay International Airport) is 427 miles / 687 kilometers / 371 nautical miles.
The driving distance from Rockford (RFD) to Thunder Bay (YQT) is 592 miles / 953 kilometers, and travel time by car is about 11 hours 55 minutes.
Chicago Rockford International Airport – Thunder Bay International Airport
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Distance from Rockford to Thunder Bay
There are several ways to calculate the distance from Rockford to Thunder Bay. Here are two standard methods:
Vincenty's formula (applied above)- 426.676 miles
- 686.669 kilometers
- 370.772 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- 426.897 miles
- 687.024 kilometers
- 370.963 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 Rockford to Thunder Bay?
The estimated flight time from Chicago Rockford International Airport to Thunder Bay International Airport is 1 hour and 18 minutes.
What is the time difference between Rockford and Thunder Bay?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Thunder Bay International Airport (YQT)
On average, flying from Rockford to Thunder Bay generates about 88 kg of CO2 per passenger, and 88 kilograms equals 194 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rockford to Thunder Bay
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Thunder Bay International Airport (YQT).
Airport information
| Origin | Chicago Rockford International Airport |
|---|---|
| City: | Rockford, IL |
| Country: | United States  |
| IATA Code: | RFD |
| ICAO Code: | KRFD |
| Coordinates: | 42°11′43″N, 89°5′49″W |
| Destination | Thunder Bay International Airport |
|---|---|
| City: | Thunder Bay |
| Country: | Canada  |
| IATA Code: | YQT |
| ICAO Code: | CYQT |
| Coordinates: | 48°22′18″N, 89°19′26″W |