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How far is Rennes from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Rennes (Rennes–Saint-Jacques Airport) is 4053 miles / 6523 kilometers / 3522 nautical miles.

Chicago Rockford International Airport – Rennes–Saint-Jacques Airport

Distance arrow
4053
Miles
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6523
Kilometers
Distance arrow
3522
Nautical miles

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Distance from Rockford to Rennes

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

Vincenty's formula (applied above)
  • 4053.224 miles
  • 6523.031 kilometers
  • 3522.155 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
  • 4042.106 miles
  • 6505.138 kilometers
  • 3512.494 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 Rennes?

The estimated flight time from Chicago Rockford International Airport to Rennes–Saint-Jacques Airport is 8 hours and 10 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Rennes–Saint-Jacques Airport (RNS)

On average, flying from Rockford to Rennes generates about 463 kg of CO2 per passenger, and 463 kilograms equals 1 021 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Rennes

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Rennes–Saint-Jacques Airport (RNS).

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 Rennes–Saint-Jacques Airport
City: Rennes
Country: France Flag of France
IATA Code: RNS
ICAO Code: LFRN
Coordinates: 48°4′10″N, 1°44′5″W