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KOS to SHM: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Nanki-shirahama (Nanki Shirahama Airport)
2,563 mi
4,124 km · 2,227 nm
5h 30m
estimated nonstop flight time
+2h
time difference · heading northeast
See live KOS→SHM fares Phone-only fares on this route — call free
Flight time details
2,563 miles nonstop takes roughly 5h 30m 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
- SHM — Nanki Shirahama Airport · Nanki-shirahama, 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 SHM
- KIX · Kansai International Airport53 mi away
- TKS · Tokushima Airport/JMSDF Air Base54 mi away
- UKB · Kobe Airport68 mi away
- ITM · Osaka International Airport78 mi away
Frequently asked questions
How far is KOS from SHM?
The flight distance from Sihanoukville (KOS) to Nanki-shirahama (SHM) is 2,563 miles (4,124 km, 2,227 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to SHM?
A nonstop flight takes about 5h 30m 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 Nanki-shirahama?
Nanki-shirahama is 2 hours ahead of Sihanoukville.
What is the cheapest way to fly from KOS to SHM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–SHM that never appear on search engines, with no booking fees.