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DTM to USM: distance & flight time
Dortmund (Dortmund Airport) → Ko Samui (Samui Airport)
5,807 mi
9,346 km · 5,047 nm
11h 51m
estimated nonstop flight time
+5h
time difference · heading east
See live DTM→USM fares Phone-only fares on this route — call free
Flight time details
5,807 miles nonstop takes roughly 11h 51m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- DTM — Dortmund Airport · Dortmund, Germany
- 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 DTM
- ESS · Essen Mulheim Airport30 mi away
- DUS · Düsseldorf Airport40 mi away
- GUT · Gütersloh Air Base41 mi away
- FMO · Münster Osnabrück Airport43 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 DTM from USM?
The flight distance from Dortmund (DTM) to Ko Samui (USM) is 5,807 miles (9,346 km, 5,047 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTM to USM?
A nonstop flight takes about 11h 51m 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 Dortmund and Ko Samui?
Ko Samui is 5 hours ahead of Dortmund.
What is the cheapest way to fly from DTM to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTM–USM that never appear on search engines, with no booking fees.