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KOS to TNN: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Tainan (Tainan Airport)
1,388 mi
2,233 km · 1,206 nm
3h 29m
estimated nonstop flight time
+1h
time difference · heading northeast
See live KOS→TNN fares Phone-only fares on this route — call free
Flight time details
1,388 miles nonstop takes roughly 3h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- TNN — Tainan Airport · Tainan, Taiwan
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 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
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
Frequently asked questions
How far is KOS from TNN?
The flight distance from Sihanoukville (KOS) to Tainan (TNN) 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 KOS to TNN?
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 Sihanoukville and Tainan?
Tainan is 1 hour ahead of Sihanoukville.
What is the cheapest way to fly from KOS to TNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–TNN that never appear on search engines, with no booking fees.