How far is Kefalonia from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Kefalonia (Kefalonia International Airport) is 5320 miles / 8561 kilometers / 4623 nautical miles.

Distance from Chicago to Kefalonia

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

Vincenty's formula (applied above)

• 5319.808 miles
• 8561.401 kilometers
• 4622.787 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

• 5306.847 miles
• 8540.543 kilometers
• 4611.524 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 Kefalonia?

The estimated flight time from Chicago O'Hare International Airport to Kefalonia International Airport is 10 hours and 34 minutes.

What is the time difference between Chicago and Kefalonia?

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

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Kefalonia International Airport (EFL)

On average, flying from Chicago to Kefalonia generates about 626 kg of CO2 per passenger, and 626 kilograms equals 1 379 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Kefalonia

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

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	Kefalonia International Airport
City:	Kefalonia
Country:	Greece
IATA Code:	EFL
ICAO Code:	LGKF
Coordinates:	38°7′12″N, 20°30′1″E