# Distance between Lannion (LAI) and Grenoble (GNB)

Flight distance from Lannion to Grenoble (Lannion – Côte de Granit Airport – Alpes–Isère Airport) is 477 miles / 767 kilometers / 414 nautical miles. Estimated flight time is 1 hour 24 minutes.

Driving distance from Lannion (LAI) to Grenoble (GNB) is 602 miles / 969 kilometers and travel time by car is about 9 hours 58 minutes.

## Map of flight path and driving directions from Lannion to Grenoble.

Shortest flight path between Lannion – Côte de Granit Airport (LAI) and Alpes–Isère Airport (GNB).

## How far is Grenoble from Lannion?

There are several ways to calculate distances between Lannion and Grenoble. Here are two common methods:

Vincenty's formula (applied above)
• 476.548 miles
• 766.930 kilometers
• 414.109 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 475.521 miles
• 765.276 kilometers
• 413.216 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).

## Airport information

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

B Alpes–Isère Airport
City: Grenoble
Country: France
IATA Code: GNB
ICAO Code: LFLS
Coordinates: 45°21′46″N, 5°19′45″E

## Time difference and current local times

There is no time difference between Lannion and Grenoble.

CEST

CEST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 95 kg (210 pounds).

## Frequent Flyer Miles Calculator

Lannion (LAI) → Grenoble (GNB).

Distance:
477
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
477

Round trip?