How far is Lannion from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Lannion (Lannion – Côte de Granit Airport) is 3922 miles / 6311 kilometers / 3408 nautical miles.

Distance from Chicago to Lannion

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

Vincenty's formula (applied above)

• 3921.603 miles
• 6311.208 kilometers
• 3407.780 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

• 3910.840 miles
• 6293.888 kilometers
• 3398.427 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 Chicago to Lannion?

The estimated flight time from Chicago O'Hare International Airport to Lannion – Côte de Granit Airport is 7 hours and 55 minutes.

What is the time difference between Chicago and Lannion?

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

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Lannion – Côte de Granit Airport (LAI)

On average, flying from Chicago to Lannion generates about 447 kg of CO2 per passenger, and 447 kilograms equals 985 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Lannion

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Lannion – Côte de Granit Airport (LAI).

Airport information

Origin	Chicago O'Hare International Airport
City:	Chicago, IL
Country:	United States
IATA Code:	ORD
ICAO Code:	KORD
Coordinates:	41°58′42″N, 87°54′17″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