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ASR to USM: distance & flight time
Kayseri (Kayseri Erkilet Airport) → Ko Samui (Samui Airport)
4,441 mi
7,147 km · 3,859 nm
9h 10m
estimated nonstop flight time
+4h
time difference · heading east
See live ASR→USM fares Phone-only fares on this route — call free
Flight time details
4,441 miles nonstop takes roughly 9h 10m 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
- ASR — Kayseri Erkilet Airport · Kayseri, Turkey
- 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 ASR
- NAV · Nevşehir Kapadokya Airport52 mi away
- VAS · Sivas Nuri Demirağ Airport104 mi away
- TJK · Tokat Airport116 mi away
- KCM · Kahramanmaraş Airport116 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 ASR from USM?
The flight distance from Kayseri (ASR) to Ko Samui (USM) is 4,441 miles (7,147 km, 3,859 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASR to USM?
A nonstop flight takes about 9h 10m 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 Kayseri and Ko Samui?
Ko Samui is 4 hours ahead of Kayseri.
What is the cheapest way to fly from ASR to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASR–USM that never appear on search engines, with no booking fees.