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How far is Lorient from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Lorient (Lorient South Brittany Airport) is 3995 miles / 6429 kilometers / 3471 nautical miles.

Chicago Rockford International Airport – Lorient South Brittany Airport

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3995
Miles
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6429
Kilometers
Distance arrow
3471
Nautical miles

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Distance from Rockford to Lorient

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

Vincenty's formula (applied above)
  • 3994.726 miles
  • 6428.889 kilometers
  • 3471.322 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
  • 3983.789 miles
  • 6411.287 kilometers
  • 3461.818 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 Rockford to Lorient?

The estimated flight time from Chicago Rockford International Airport to Lorient South Brittany Airport is 8 hours and 3 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Lorient South Brittany Airport (LRT)

On average, flying from Rockford to Lorient generates about 456 kg of CO2 per passenger, and 456 kilograms equals 1 005 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Lorient

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Lorient South Brittany Airport (LRT).

Airport information

Origin Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W
Destination Lorient South Brittany Airport
City: Lorient
Country: France Flag of France
IATA Code: LRT
ICAO Code: LFRH
Coordinates: 47°45′38″N, 3°26′24″W