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KOS to KJP: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Kerama (Kerama Airport)
1,882 mi
3,029 km · 1,636 nm
4h 9m
estimated nonstop flight time
+2h
time difference · heading northeast
See live KOS→KJP fares Phone-only fares on this route — call free
Flight time details
1,882 miles nonstop takes roughly 4h 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
- KJP — Kerama Airport · Kerama, 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 KJP
- OKA · Naha Airport22 mi away
- AGJ · Aguni Airport29 mi away
- DNA · Kadena Air Base32 mi away
- UEO · Kumejima Airport38 mi away
Frequently asked questions
How far is KOS from KJP?
The flight distance from Sihanoukville (KOS) to Kerama (KJP) is 1,882 miles (3,029 km, 1,636 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to KJP?
A nonstop flight takes about 4h 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 Kerama?
Kerama is 2 hours ahead of Sihanoukville.
What is the cheapest way to fly from KOS to KJP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–KJP that never appear on search engines, with no booking fees.