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DTW to USM: distance & flight time
Detroit (Detroit Metropolitan Wayne County Airport) → Ko Samui (Samui Airport)
8,854 mi
14,249 km · 7,694 nm
17h 50m
estimated nonstop flight time
+11h
time difference · heading north
See live DTW→USM fares Phone-only fares on this route — call free
Flight time details
8,854 miles nonstop takes roughly 17h 50m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- DTW — Detroit Metropolitan Wayne County Airport · Detroit, United States
- 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 DTW
- YIP · Willow Run Airport9 mi away
- ARB · Ann Arbor Municipal Airport20 mi away
- YQG · Windsor Airport21 mi away
- DET · Coleman A. Young Municipal Airport22 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 DTW from USM?
The flight distance from Detroit (DTW) to Ko Samui (USM) is 8,854 miles (14,249 km, 7,694 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTW to USM?
A nonstop flight takes about 17h 50m 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 Detroit and Ko Samui?
Ko Samui is 11 hours ahead of Detroit.
What is the cheapest way to fly from DTW to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTW–USM that never appear on search engines, with no booking fees.