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TNN to USM: distance & flight time
Tainan (Tainan Airport) → Ko Samui (Samui Airport)
1,622 mi
2,611 km · 1,410 nm
3h 39m
estimated nonstop flight time
-1h
time difference · heading southwest
See live TNN→USM fares Phone-only fares on this route — call free
Flight time details
1,622 miles nonstop takes roughly 3h 39m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- TNN — Tainan Airport · Tainan, Taiwan
- 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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 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 TNN from USM?
The flight distance from Tainan (TNN) to Ko Samui (USM) is 1,622 miles (2,611 km, 1,410 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNN to USM?
A nonstop flight takes about 3h 39m 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 Tainan and Ko Samui?
Ko Samui is 1 hour behind Tainan.
What is the cheapest way to fly from TNN to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNN–USM that never appear on search engines, with no booking fees.