How far is Chambery from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Chambery (Chambéry Airport) is 4448 miles / 7158 kilometers / 3865 nautical miles.

Distance from Rockford to Chambery

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

Vincenty's formula (applied above)

• 4447.662 miles
• 7157.817 kilometers
• 3864.912 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

• 4435.703 miles
• 7138.572 kilometers
• 3854.521 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 Chambery?

The estimated flight time from Chicago Rockford International Airport to Chambéry Airport is 8 hours and 55 minutes.

What is the time difference between Rockford and Chambery?

The time difference between Rockford and Chambery is 7 hours. Chambery is 7 hours ahead of Rockford.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Chambéry Airport (CMF)

On average, flying from Rockford to Chambery generates about 513 kg of CO2 per passenger, and 513 kilograms equals 1 130 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Chambery

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Chambéry Airport (CMF).

Airport information

Origin	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

Destination	Chambéry Airport
City:	Chambery
Country:	France
IATA Code:	CMF
ICAO Code:	LFLB
Coordinates:	45°38′17″N, 5°52′48″E