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GNB to USM: distance & flight time
Grenoble (Grenoble-Isère Airport) → Ko Samui (Samui Airport)
5,977 mi
9,620 km · 5,194 nm
12h 11m
estimated nonstop flight time
+5h
time difference · heading east
See live GNB→USM fares Phone-only fares on this route — call free
Flight time details
5,977 miles nonstop takes roughly 12h 11m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- GNB — Grenoble-Isère Airport · Grenoble, France
- USM — Samui Airport · Ko Samui, Thailand
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 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
Near USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Frequently asked questions
How far is GNB from USM?
The flight distance from Grenoble (GNB) to Ko Samui (USM) is 5,977 miles (9,620 km, 5,194 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNB to USM?
A nonstop flight takes about 12h 11m 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 Grenoble and Ko Samui?
Ko Samui is 5 hours ahead of Grenoble.
What is the cheapest way to fly from GNB to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNB–USM that never appear on search engines, with no booking fees.