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KSO to KOS: distance & flight time
Kastoria (Kastoria National Airport) → Sihanoukville (Sihanoukville International Airport)
5,346 mi
8,603 km · 4,645 nm
10h 57m
estimated nonstop flight time
+4h
time difference · heading east
See live KSO→KOS fares Phone-only fares on this route — call free
Flight time details
5,346 miles nonstop takes roughly 10h 57m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- KSO — Kastoria National Airport · Kastoria, Greece
- 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 KSO
- KZI · Filippos Airport31 mi away
- IOA · Ioannina Airport57 mi away
- OHD · Ohrid St. Paul the Apostle Airport58 mi away
- LRA · Larisa Airport83 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 KSO from KOS?
The flight distance from Kastoria (KSO) to Sihanoukville (KOS) is 5,346 miles (8,603 km, 4,645 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSO to KOS?
A nonstop flight takes about 10h 57m 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 Kastoria and Sihanoukville?
Sihanoukville is 4 hours ahead of Kastoria.
What is the cheapest way to fly from KSO to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSO–KOS that never appear on search engines, with no booking fees.