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XRH to USM: distance & flight time
Richmond (RAAF Base Richmond) → Ko Samui (Samui Airport)
4,466 mi
7,188 km · 3,881 nm
9h 13m
estimated nonstop flight time
-3h
time difference · heading northwest
See live XRH→USM fares Phone-only fares on this route — call free
Flight time details
4,466 miles nonstop takes roughly 9h 13m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- XRH — RAAF Base Richmond · Richmond, Australia
- 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 XRH
- SYD · Sydney Kingsford Smith International Airport33 mi away
- BWU · Sydney Bankstown Airport25 mi away
- CDU · Camden Airport31 mi away
- BEO · Lake Macquarie Airport62 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 XRH from USM?
The flight distance from Richmond (XRH) to Ko Samui (USM) is 4,466 miles (7,188 km, 3,881 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from XRH to USM?
A nonstop flight takes about 9h 13m 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 Richmond and Ko Samui?
Ko Samui is 3 hours behind Richmond.
What is the cheapest way to fly from XRH to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on XRH–USM that never appear on search engines, with no booking fees.