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GNI to KOS: distance & flight time
Green Island (Lyudao Airport) → Sihanoukville (Sihanoukville International Airport)
1,444 mi
2,323 km · 1,254 nm
3h 36m
estimated nonstop flight time
-1h
time difference · heading southwest
See live GNI→KOS fares Phone-only fares on this route — call free
Flight time details
1,444 miles nonstop takes roughly 3h 36m 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
- GNI — Lyudao Airport · Green Island, 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 GNI
- TTT · Taitung Airport24 mi away
- KYD · Lanyu Airport45 mi away
- PIF · Pingtung North Airport63 mi away
- HCN · Hengchun Airport64 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 GNI from KOS?
The flight distance from Green Island (GNI) to Sihanoukville (KOS) is 1,444 miles (2,323 km, 1,254 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNI to KOS?
A nonstop flight takes about 3h 36m 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 Green Island and Sihanoukville?
Sihanoukville is 1 hour behind Green Island.
What is the cheapest way to fly from GNI to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNI–KOS that never appear on search engines, with no booking fees.