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GLH to USM: distance & flight time
Greenville (Mid Delta Regional Airport) → Ko Samui (Samui Airport)
9,376 mi
15,090 km · 8,148 nm
18h 51m
estimated nonstop flight time
+12h
time difference · heading north
See live GLH→USM fares Phone-only fares on this route — call free
Flight time details
9,376 miles nonstop takes roughly 18h 51m 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
- GLH — Mid Delta Regional Airport · Greenville, 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 GLH
- GWO · Greenwood–Leflore Airport52 mi away
- PBF · Pine Bluff Regional Airport, Grider Field72 mi away
- UTM · Tunica Municipal Airport90 mi away
- MLU · Monroe Regional Airport91 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 GLH from USM?
The flight distance from Greenville (GLH) to Ko Samui (USM) is 9,376 miles (15,090 km, 8,148 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GLH to USM?
A nonstop flight takes about 18h 51m 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 Greenville and Ko Samui?
Ko Samui is 12 hours ahead of Greenville.
What is the cheapest way to fly from GLH to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GLH–USM that never appear on search engines, with no booking fees.