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GRO to USM: distance & flight time
Gerona (Girona Airport) → Ko Samui (Samui Airport)
6,149 mi
9,896 km · 5,343 nm
12h 31m
estimated nonstop flight time
+5h
time difference · heading east
See live GRO→USM fares Phone-only fares on this route — call free
Flight time details
6,149 miles nonstop takes roughly 12h 31m 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
- GRO — Girona Airport · Gerona, Spain
- 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 GRO
- BCN · Barcelona International Airport55 mi away
- QSA · Sabadell Airport43 mi away
- PGF · Perpignan-Rivesaltes (Llabanère) Airport58 mi away
- LEU · Pirineus - la Seu d'Urgel Airport76 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 GRO from USM?
The flight distance from Gerona (GRO) to Ko Samui (USM) is 6,149 miles (9,896 km, 5,343 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRO to USM?
A nonstop flight takes about 12h 31m 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 Gerona and Ko Samui?
Ko Samui is 5 hours ahead of Gerona.
What is the cheapest way to fly from GRO to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRO–USM that never appear on search engines, with no booking fees.