How far is Chicago, IL, from Reykjavik?

The distance between Reykjavik (Keflavík International Airport) and Chicago (Chicago O'Hare International Airport) is 2944 miles / 4737 kilometers / 2558 nautical miles.

Distance from Reykjavik to Chicago

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

Vincenty's formula (applied above)

• 2943.595 miles
• 4737.257 kilometers
• 2557.914 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

• 2936.119 miles
• 4725.226 kilometers
• 2551.418 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 Chicago?

The estimated flight time from Keflavík International Airport to Chicago O'Hare International Airport is 6 hours and 4 minutes.

What is the time difference between Reykjavik and Chicago?

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

Flight carbon footprint between Keflavík International Airport (KEF) and Chicago O'Hare International Airport (ORD)

On average, flying from Reykjavik to Chicago generates about 327 kg of CO2 per passenger, and 327 kilograms equals 722 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Reykjavik to Chicago

See the map of the shortest flight path between Keflavík International Airport (KEF) and Chicago O'Hare International Airport (ORD).

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