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How far is Decatur, IL, from Belfast?

The distance between Belfast (George Best Belfast City Airport) and Decatur (Decatur Airport) is 3796 miles / 6109 kilometers / 3299 nautical miles.

George Best Belfast City Airport – Decatur Airport

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3796
Miles
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6109
Kilometers
Distance arrow
3299
Nautical miles

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Distance from Belfast to Decatur

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

Vincenty's formula (applied above)
  • 3796.066 miles
  • 6109.176 kilometers
  • 3298.691 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
  • 3785.964 miles
  • 6092.918 kilometers
  • 3289.913 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 Belfast to Decatur?

The estimated flight time from George Best Belfast City Airport to Decatur Airport is 7 hours and 41 minutes.

Flight carbon footprint between George Best Belfast City Airport (BHD) and Decatur Airport (DEC)

On average, flying from Belfast to Decatur generates about 431 kg of CO2 per passenger, and 431 kilograms equals 950 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Belfast to Decatur

See the map of the shortest flight path between George Best Belfast City Airport (BHD) and Decatur Airport (DEC).

Airport information

Origin George Best Belfast City Airport
City: Belfast
Country: United Kingdom Flag of United Kingdom
IATA Code: BHD
ICAO Code: EGAC
Coordinates: 54°37′5″N, 5°52′20″W
Destination 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