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TNN to KOS: distance & flight time
Tainan (Tainan Airport) → Sihanoukville (Sihanoukville International Airport)
1,388 mi
2,233 km · 1,206 nm
3h 29m
estimated nonstop flight time
-1h
time difference · heading southwest
See live TNN→KOS fares Phone-only fares on this route — call free
Flight time details
1,388 miles nonstop takes roughly 3h 29m 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
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Frequently asked questions
How far is TNN from KOS?
The flight distance from Tainan (TNN) to Sihanoukville (KOS) is 1,388 miles (2,233 km, 1,206 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNN to KOS?
A nonstop flight takes about 3h 29m 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 Sihanoukville?
Sihanoukville is 1 hour behind Tainan.
What is the cheapest way to fly from TNN to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNN–KOS that never appear on search engines, with no booking fees.