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CGN to USM: distance & flight time
Cologne (Cologne Bonn Airport) → Ko Samui (Samui Airport)
5,834 mi
9,389 km · 5,070 nm
11h 54m
estimated nonstop flight time
+5h
time difference · heading east
See live CGN→USM fares Phone-only fares on this route — call free
Flight time details
5,834 miles nonstop takes roughly 11h 54m 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
- CGN — Cologne Bonn Airport · Cologne, 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 CGN
- BNJ · Bonn-Hangelar Airport7 mi away
- DUS · Düsseldorf Airport34 mi away
- MGL · Mönchengladbach Airport37 mi away
- ESS · Essen Mulheim Airport38 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 CGN from USM?
The flight distance from Cologne (CGN) to Ko Samui (USM) is 5,834 miles (9,389 km, 5,070 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CGN to USM?
A nonstop flight takes about 11h 54m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from CGN to USM?
Nonstop service on CGN–USM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 11h 54m nonstop estimate.
What is the time difference between Cologne and Ko Samui?
Ko Samui is 5 hours ahead of Cologne.
What is the cheapest way to fly from CGN to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CGN–USM that never appear on search engines, with no booking fees.
Why are some CGN to USM fares phone-only?
Consolidator contracts let us sell certain CGN–USM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.