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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–KIJ that never appear on search engines, with no booking fees.