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USM to TDR: distance & flight time
Ko Samui (Samui Airport) → Theodore (Theodore Airport)
4,127 mi
6,642 km · 3,586 nm
8h 34m
estimated nonstop flight time
+3h
time difference · heading southeast
See live USM→TDR fares Phone-only fares on this route — call free
Flight time details
4,127 miles nonstop takes roughly 8h 34m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- TDR — Theodore Airport · Theodore, Australia
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near TDR
- THG · Thangool Airport46 mi away
- XTO · Taroom Airport57 mi away
- GLT · Gladstone Airport105 mi away
- GAH · Gayndah Airport105 mi away
Frequently asked questions
How far is USM from TDR?
The flight distance from Ko Samui (USM) to Theodore (TDR) is 4,127 miles (6,642 km, 3,586 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to TDR?
A nonstop flight takes about 8h 34m 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 Ko Samui and Theodore?
Theodore is 3 hours ahead of Ko Samui.
What is the cheapest way to fly from USM to TDR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–TDR that never appear on search engines, with no booking fees.