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KIJ to KOS: distance & flight time
Niigata (Niigata Airport) → Sihanoukville (Sihanoukville International Airport)
2,897 mi
4,662 km · 2,517 nm
6h 9m
estimated nonstop flight time
-2h
time difference · heading southwest
See live KIJ→KOS fares Phone-only fares on this route — call free
Flight time details
2,897 miles nonstop takes roughly 6h 9m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- KIJ — Niigata Airport · Niigata, Japan
- 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 KIJ
- SDS · Sado Airport39 mi away
- SYO · Shonai Airport69 mi away
- GAJ · Yamagata Airport75 mi away
- FKS · Fukushima Airport88 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 KIJ from KOS?
The flight distance from Niigata (KIJ) to Sihanoukville (KOS) is 2,897 miles (4,662 km, 2,517 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KIJ to KOS?
A nonstop flight takes about 6h 9m 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 Niigata and Sihanoukville?
Sihanoukville is 2 hours behind Niigata.
What is the cheapest way to fly from KIJ to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KIJ–KOS that never appear on search engines, with no booking fees.