How far is Lorient from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Lorient (Lorient South Brittany Airport) is 3955 miles / 6365 kilometers / 3437 nautical miles.

Distance from Chicago to Lorient

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

Vincenty's formula (applied above)

• 3955.044 miles
• 6365.026 kilometers
• 3436.839 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

• 3944.250 miles
• 6347.656 kilometers
• 3427.460 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 Lorient?

The estimated flight time from Chicago O'Hare International Airport to Lorient South Brittany Airport is 7 hours and 59 minutes.

What is the time difference between Chicago and Lorient?

The time difference between Chicago and Lorient is 7 hours. Lorient is 7 hours ahead of Chicago.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Lorient South Brittany Airport (LRT)

On average, flying from Chicago to Lorient 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 Chicago to Lorient

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Lorient South Brittany Airport (LRT).

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	Lorient South Brittany Airport
City:	Lorient
Country:	France
IATA Code:	LRT
ICAO Code:	LFRH
Coordinates:	47°45′38″N, 3°26′24″W