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HDM to USM: distance & flight time
Hamadan (Hamadan Airport) → Ko Samui (Samui Airport)
3,679 mi
5,921 km · 3,197 nm
7h 41m
estimated nonstop flight time
+3.5h
time difference · heading east
See live HDM→USM fares Phone-only fares on this route — call free
Flight time details
3,679 miles nonstop takes roughly 7h 41m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- HDM — Hamadan Airport · Hamadan, Iran
- 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 HDM
- KSH · Shahid Ashrafi Esfahani Airport87 mi away
- AJK · Arak Airport89 mi away
- SDG · Sanandaj Airport91 mi away
- KHD · Khoram Abad Airport100 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 HDM from USM?
The flight distance from Hamadan (HDM) to Ko Samui (USM) is 3,679 miles (5,921 km, 3,197 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HDM to USM?
A nonstop flight takes about 7h 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 Hamadan and Ko Samui?
Ko Samui is 3.5 hours ahead of Hamadan.
What is the cheapest way to fly from HDM to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDM–USM that never appear on search engines, with no booking fees.