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HRM to USM: distance & flight time
Tilrempt (Hassi R'Mel Airport) → Ko Samui (Samui Airport)
6,247 mi
10,053 km · 5,428 nm
12h 43m
estimated nonstop flight time
+6h
time difference · heading east
See live HRM→USM fares Phone-only fares on this route — call free
Flight time details
6,247 miles nonstop takes roughly 12h 43m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- HRM — Hassi R'Mel Airport · Tilrempt, Algeria
- 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 HRM
- GHA · Noumérat - Moufdi Zakaria Airport47 mi away
- LOO · Laghouat Airport62 mi away
- QDJ · Tsletsi Airport120 mi away
- EBH · El Bayadh Airport139 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 HRM from USM?
The flight distance from Tilrempt (HRM) to Ko Samui (USM) is 6,247 miles (10,053 km, 5,428 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HRM to USM?
A nonstop flight takes about 12h 43m 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 Tilrempt and Ko Samui?
Ko Samui is 6 hours ahead of Tilrempt.
What is the cheapest way to fly from HRM to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HRM–USM that never appear on search engines, with no booking fees.