How far is Decatur, IL, from Reykjavik?

The distance between Reykjavik (Keflavík International Airport) and Decatur (Decatur Airport) is 3093 miles / 4978 kilometers / 2688 nautical miles.

Distance from Reykjavik to Decatur

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

Vincenty's formula (applied above)

• 3093.223 miles
• 4978.059 kilometers
• 2687.937 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

• 3085.868 miles
• 4966.223 kilometers
• 2681.546 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 Reykjavik to Decatur?

The estimated flight time from Keflavík International Airport to Decatur Airport is 6 hours and 21 minutes.

What is the time difference between Reykjavik and Decatur?

The time difference between Reykjavik and Decatur is 6 hours. Decatur is 6 hours behind Reykjavik.

Flight carbon footprint between Keflavík International Airport (KEF) and Decatur Airport (DEC)

On average, flying from Reykjavik to Decatur generates about 345 kg of CO2 per passenger, and 345 kilograms equals 761 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Reykjavik to Decatur

See the map of the shortest flight path between Keflavík International Airport (KEF) and Decatur Airport (DEC).

Airport information

Origin	Keflavík International Airport
City:	Reykjavik
Country:	Iceland
IATA Code:	KEF
ICAO Code:	BIKF
Coordinates:	63°59′6″N, 22°36′20″W

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