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KHD to USM: distance & flight time
Khorram Abad (Khoram Abad Airport) → Ko Samui (Samui Airport)
3,668 mi
5,903 km · 3,188 nm
7h 40m
estimated nonstop flight time
+3.5h
time difference · heading east
See live KHD→USM fares Phone-only fares on this route — call free
Flight time details
3,668 miles nonstop takes roughly 7h 40m 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
- KHD — Khoram Abad Airport · Khorram Abad, 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 KHD
- DEF · Dezful Airport69 mi away
- KSH · Shahid Ashrafi Esfahani Airport90 mi away
- HDM · Hamadan Airport100 mi away
- AJK · Arak Airport102 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 KHD from USM?
The flight distance from Khorram Abad (KHD) to Ko Samui (USM) is 3,668 miles (5,903 km, 3,188 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KHD to USM?
A nonstop flight takes about 7h 40m 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 Khorram Abad and Ko Samui?
Ko Samui is 3.5 hours ahead of Khorram Abad.
What is the cheapest way to fly from KHD to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KHD–USM that never appear on search engines, with no booking fees.