How far is Chicago, IL from London?
Distance between London (London Heathrow Airport) and Chicago (Chicago O'Hare International Airport) is 3953 miles / 6361 kilometers / 3435 nautical miles. Estimated flight time is 7 hours 59 minutes.
London Heathrow Airport – Chicago O'Hare International Airport
Distance from London to Chicago
There are several ways to calculate distance from London to Chicago. Here are two common methods:
Vincenty's formula (applied above)- 3952.811 miles
- 6361.433 kilometers
- 3434.899 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.
Haversine formula- 3941.829 miles
- 6343.759 kilometers
- 3425.356 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?
Estimated flight time from London Heathrow Airport to Chicago O'Hare International Airport is 7 hours 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.
London time to Chicago time converter
Flight carbon footprint between London Heathrow Airport (LHR) and Chicago O'Hare International Airport (ORD)
On average flying from London to Chicago generates about 450 kg of CO2 per passenger, 450 kilograms is equal to 993 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from London to Chicago
Shortest flight path between London Heathrow Airport (LHR) and Chicago O'Hare International Airport (ORD).
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 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 |
Airlines flying from London (LHR) to Chicago (ORD)
| American Airlines |
| British Airways |
| Delta Air Lines |
| Finnair |
| Iberia Airlines |
| Lufthansa |
| United Airlines |
| Virgin Atlantic Airways |