Need help booking?
Unpublished phone-only deals available
GAI to GNB: distance & flight time
Gaithersburg (Montgomery County Airpark) → Grenoble (Grenoble-Isère Airport)
4,051 mi
6,519 km · 3,520 nm
8h 25m
estimated nonstop flight time
+6h
time difference · heading northeast
See live GAI→GNB fares Phone-only fares on this route — call free
Flight time details
4,051 miles nonstop takes roughly 8h 25m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- GNB — Grenoble-Isère Airport · Grenoble, France
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GAI
Near GNB
- LYS · Lyon Saint-Exupéry Airport28 mi away
- LYN · Lyon-Bron Airport31 mi away
- CMF · Chambéry-Savoie Airport33 mi away
- VAF · Valence-Chabeuil Airport35 mi away
Frequently asked questions
How far is GAI from GNB?
The flight distance from Gaithersburg (GAI) to Grenoble (GNB) is 4,051 miles (6,519 km, 3,520 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to GNB?
A nonstop flight takes about 8h 25m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Gaithersburg and Grenoble?
Grenoble is 6 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to GNB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–GNB that never appear on search engines, with no booking fees.