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FFO to USM: distance & flight time
Dayton (Wright-Patterson Air Force Base) → Ko Samui (Samui Airport)
9,015 mi
14,509 km · 7,834 nm
18h 9m
estimated nonstop flight time
+11h
time difference · heading north
See live FFO→USM fares Phone-only fares on this route — call free
Flight time details
9,015 miles nonstop takes roughly 18h 9m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- FFO — Wright-Patterson Air Force Base · Dayton, 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 FFO
- DAY · James M Cox Dayton International Airport10 mi away
- SGH · Springfield-Beckley Municipal Airport11 mi away
- MGY · Dayton-Wright Brothers Airport19 mi away
- ILN · Wilmington Airpark31 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 FFO from USM?
The flight distance from Dayton (FFO) to Ko Samui (USM) is 9,015 miles (14,509 km, 7,834 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FFO to USM?
A nonstop flight takes about 18h 9m 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 Dayton and Ko Samui?
Ko Samui is 11 hours ahead of Dayton.
What is the cheapest way to fly from FFO to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FFO–USM that never appear on search engines, with no booking fees.