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GTR to USM: distance & flight time
Columbus Mississippi (Golden Triangle Regional Airport) → Ko Samui (Samui Airport)
9,412 mi
15,147 km · 8,179 nm
18h 55m
estimated nonstop flight time
+12h
time difference · heading north
See live GTR→USM fares Phone-only fares on this route — call free
Flight time details
9,412 miles nonstop takes roughly 18h 55m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- GTR — Golden Triangle Regional Airport · Columbus Mississippi, United States
- 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 GTR
- CBM · Columbus Air Force Base16 mi away
- TUP · Tupelo Regional Airport57 mi away
- TCL · Tuscaloosa Regional Airport59 mi away
- MEI · Key Field78 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 GTR from USM?
The flight distance from Columbus Mississippi (GTR) to Ko Samui (USM) is 9,412 miles (15,147 km, 8,179 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTR to USM?
A nonstop flight takes about 18h 55m 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 Columbus Mississippi and Ko Samui?
Ko Samui is 12 hours ahead of Columbus Mississippi.
What is the cheapest way to fly from GTR to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTR–USM that never appear on search engines, with no booking fees.