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MWA to USM: distance & flight time
Marion (Williamson County Regional Airport) → Ko Samui (Samui Airport)
9,116 mi
14,671 km · 7,922 nm
18h 21m
estimated nonstop flight time
+12h
time difference · heading north
See live MWA→USM fares Phone-only fares on this route — call free
Flight time details
9,116 miles nonstop takes roughly 18h 21m 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
- MWA — Williamson County Regional Airport · Marion, 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 MWA
- MDH · Southern Illinois Airport13 mi away
- CGI · Cape Girardeau Regional Airport48 mi away
- PAH · Barkley Regional Airport50 mi away
- SIK · Sikeston Memorial Municipal Airport66 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 MWA from USM?
The flight distance from Marion (MWA) to Ko Samui (USM) is 9,116 miles (14,671 km, 7,922 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MWA to USM?
A nonstop flight takes about 18h 21m 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 Marion and Ko Samui?
Ko Samui is 12 hours ahead of Marion.
What is the cheapest way to fly from MWA to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MWA–USM that never appear on search engines, with no booking fees.