How far is Kos from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Kos (Kos International Airport) is 5640 miles / 9076 kilometers / 4901 nautical miles.

Distance from Chicago to Kos

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

Vincenty's formula (applied above)

• 5639.581 miles
• 9076.027 kilometers
• 4900.662 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

• 5626.189 miles
• 9054.474 kilometers
• 4889.025 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 Chicago to Kos?

The estimated flight time from Chicago O'Hare International Airport to Kos International Airport is 11 hours and 10 minutes.

What is the time difference between Chicago and Kos?

The time difference between Chicago and Kos is 8 hours. Kos is 8 hours ahead of Chicago.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Kos International Airport (KGS)

On average, flying from Chicago to Kos generates about 668 kg of CO2 per passenger, and 668 kilograms equals 1 473 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Kos

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

Airport information

Origin	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

Destination	Kos International Airport
City:	Kos
Country:	Greece
IATA Code:	KGS
ICAO Code:	LGKO
Coordinates:	36°47′35″N, 27°5′30″E