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MWH to USM: distance & flight time
Grant County Airport (Grant County International Airport) → Ko Samui (Samui Airport)
7,831 mi
12,602 km · 6,805 nm
15h 49m
estimated nonstop flight time
+14h
time difference · heading northwest
See live MWH→USM fares Phone-only fares on this route — call free
Flight time details
7,831 miles nonstop takes roughly 15h 49m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- MWH — Grant County International Airport · Grant County Airport, 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 MWH
- EAT · Pangborn Memorial Airport44 mi away
- PSC · Tri Cities Airport66 mi away
- YKM · Yakima Air Terminal McAllister Field73 mi away
- SKA · Fairchild Air Force Base83 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 MWH from USM?
The flight distance from Grant County Airport (MWH) to Ko Samui (USM) is 7,831 miles (12,602 km, 6,805 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MWH to USM?
A nonstop flight takes about 15h 49m 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 Grant County Airport and Ko Samui?
Ko Samui is 14 hours ahead of Grant County Airport.
What is the cheapest way to fly from MWH to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MWH–USM that never appear on search engines, with no booking fees.