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How far is Thunder Bay from Decatur, IL?

The distance between Decatur (Decatur Airport) and Thunder Bay (Thunder Bay International Airport) is 590 miles / 949 kilometers / 513 nautical miles.

The driving distance from Decatur (DEC) to Thunder Bay (YQT) is 764 miles / 1229 kilometers, and travel time by car is about 15 hours 6 minutes.

Decatur Airport – Thunder Bay International Airport

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590
Miles
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949
Kilometers
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513
Nautical miles

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Distance from Decatur to Thunder Bay

There are several ways to calculate the distance from Decatur to Thunder Bay. Here are two standard methods:

Vincenty's formula (applied above)
  • 589.880 miles
  • 949.321 kilometers
  • 512.592 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
  • 590.306 miles
  • 950.006 kilometers
  • 512.962 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 Decatur to Thunder Bay?

The estimated flight time from Decatur Airport to Thunder Bay International Airport is 1 hour and 37 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Thunder Bay International Airport (YQT)

On average, flying from Decatur to Thunder Bay generates about 111 kg of CO2 per passenger, and 111 kilograms equals 246 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Decatur to Thunder Bay

See the map of the shortest flight path between Decatur Airport (DEC) and Thunder Bay International Airport (YQT).

Airport information

Origin Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W
Destination 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