How far is Chicago, IL, from London?

The distance between London (London Heathrow Airport) and Chicago (Chicago Midway International Airport) is 3956 miles / 6366 kilometers / 3438 nautical miles.

Distance from London to Chicago

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

Vincenty's formula (applied above)

• 3955.901 miles
• 6366.406 kilometers
• 3437.584 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

• 3944.949 miles
• 6348.779 kilometers
• 3428.067 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 London to Chicago?

The estimated flight time from London Heathrow Airport to Chicago Midway International Airport is 7 hours and 59 minutes.

What is the time difference between London and Chicago?

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

Flight carbon footprint between London Heathrow Airport (LHR) and Chicago Midway International Airport (MDW)

On average, flying from London to Chicago generates about 451 kg of CO2 per passenger, and 451 kilograms equals 994 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from London to Chicago

See the map of the shortest flight path between London Heathrow Airport (LHR) and Chicago Midway International Airport (MDW).

Airport information

Origin	London Heathrow Airport
City:	London
Country:	United Kingdom
IATA Code:	LHR
ICAO Code:	EGLL
Coordinates:	51°28′14″N, 0°27′42″W

Destination	Chicago Midway International Airport
City:	Chicago, IL
Country:	United States
IATA Code:	MDW
ICAO Code:	KMDW
Coordinates:	41°47′9″N, 87°45′8″W