How far is Lannion from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Lannion (Lannion – Côte de Granit Airport) is 3960 miles / 6374 kilometers / 3441 nautical miles.

Distance from Rockford to Lannion

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

Vincenty's formula (applied above)

• 3960.400 miles
• 6373.645 kilometers
• 3441.493 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

• 3949.492 miles
• 6356.092 kilometers
• 3432.015 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 Lannion?

The estimated flight time from Chicago Rockford International Airport to Lannion – Côte de Granit Airport is 7 hours and 59 minutes.

What is the time difference between Rockford and Lannion?

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

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Lannion – Côte de Granit Airport (LAI)

On average, flying from Rockford to Lannion generates about 451 kg of CO2 per passenger, and 451 kilograms equals 995 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Lannion

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Lannion – Côte de Granit Airport (LAI).

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	Lannion – Côte de Granit Airport
City:	Lannion
Country:	France
IATA Code:	LAI
ICAO Code:	LFRO
Coordinates:	48°45′15″N, 3°28′17″W