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KEM to USM: distance & flight time
Kemi (Kemi-Tornio Airport) → Ko Samui (Samui Airport)
5,207 mi
8,380 km · 4,525 nm
10h 41m
estimated nonstop flight time
+4h
time difference · heading east
See live KEM→USM fares Phone-only fares on this route — call free
Flight time details
5,207 miles nonstop takes roughly 10h 41m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- KEM — Kemi-Tornio Airport · Kemi, Finland
- 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 KEM
- OUL · Oulu Airport63 mi away
- RVN · Rovaniemi Airport65 mi away
- LLA · Luleå Airport72 mi away
- PJA · Pajala Airport110 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 KEM from USM?
The flight distance from Kemi (KEM) to Ko Samui (USM) is 5,207 miles (8,380 km, 4,525 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KEM to USM?
A nonstop flight takes about 10h 41m 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 Kemi and Ko Samui?
Ko Samui is 4 hours ahead of Kemi.
What is the cheapest way to fly from KEM to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KEM–USM that never appear on search engines, with no booking fees.