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FRI to USM: distance & flight time
Fort Riley (Marshall Army Air Field) → Ko Samui (Samui Airport)
8,909 mi
14,337 km · 7,742 nm
17h 56m
estimated nonstop flight time
+12h
time difference · heading north
See live FRI→USM fares Phone-only fares on this route — call free
Flight time details
8,909 miles nonstop takes roughly 17h 56m 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
- FRI — Marshall Army Air Field · Fort Riley, 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 FRI
- MHK · Manhattan Regional Airport8 mi away
- SLN · Salina Municipal Airport51 mi away
- EMP · Emporia Municipal Airport59 mi away
- FOE · Topeka Regional Airport - Forbes Field60 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 FRI from USM?
The flight distance from Fort Riley (FRI) to Ko Samui (USM) is 8,909 miles (14,337 km, 7,742 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FRI to USM?
A nonstop flight takes about 17h 56m 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 Fort Riley and Ko Samui?
Ko Samui is 12 hours ahead of Fort Riley.
What is the cheapest way to fly from FRI to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FRI–USM that never appear on search engines, with no booking fees.