Need help booking?
Unpublished phone-only deals available
GZW to USM: distance & flight time
Ghazvin (Qazvin Airport) → Ko Samui (Samui Airport)
3,625 mi
5,835 km · 3,150 nm
7h 35m
estimated nonstop flight time
+3.5h
time difference · heading east
See live GZW→USM fares Phone-only fares on this route — call free
Flight time details
3,625 miles nonstop takes roughly 7h 35m 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
- GZW — Qazvin Airport · Ghazvin, 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 GZW
- PYK · Payam International Airport54 mi away
- RZR · Ramsar Airport58 mi away
- RAS · Sardar-e-Jangal Airport79 mi away
- THR · Mehrabad International Airport80 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 GZW from USM?
The flight distance from Ghazvin (GZW) to Ko Samui (USM) is 3,625 miles (5,835 km, 3,150 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GZW to USM?
A nonstop flight takes about 7h 35m 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 Ghazvin and Ko Samui?
Ko Samui is 3.5 hours ahead of Ghazvin.
What is the cheapest way to fly from GZW to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GZW–USM that never appear on search engines, with no booking fees.