How far is Rockford, IL, from Lyon?

The distance between Lyon (Lyon–Saint-Exupéry Airport) and Rockford (Chicago Rockford International Airport) is 4413 miles / 7102 kilometers / 3835 nautical miles.

Distance from Lyon to Rockford

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

Vincenty's formula (applied above)

• 4412.783 miles
• 7101.686 kilometers
• 3834.603 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

• 4400.906 miles
• 7082.571 kilometers
• 3824.283 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 Lyon to Rockford?

The estimated flight time from Lyon–Saint-Exupéry Airport to Chicago Rockford International Airport is 8 hours and 51 minutes.

What is the time difference between Lyon and Rockford?

The time difference between Lyon and Rockford is 7 hours. Rockford is 7 hours behind Lyon.

Flight carbon footprint between Lyon–Saint-Exupéry Airport (LYS) and Chicago Rockford International Airport (RFD)

On average, flying from Lyon to Rockford generates about 508 kg of CO2 per passenger, and 508 kilograms equals 1 121 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Lyon to Rockford

See the map of the shortest flight path between Lyon–Saint-Exupéry Airport (LYS) and Chicago Rockford International Airport (RFD).

Airport information

Origin	Lyon–Saint-Exupéry Airport
City:	Lyon
Country:	France
IATA Code:	LYS
ICAO Code:	LFLL
Coordinates:	45°43′35″N, 5°5′26″E

Destination	Chicago Rockford International Airport
City:	Rockford, IL
Country:	United States
IATA Code:	RFD
ICAO Code:	KRFD
Coordinates:	42°11′43″N, 89°5′49″W