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OSR to KOS: distance & flight time
Ostrava (Ostrava Leos Janáček Airport) → Sihanoukville (Sihanoukville International Airport)
5,463 mi
8,792 km · 4,747 nm
11h 11m
estimated nonstop flight time
+5h
time difference · heading east
See live OSR→KOS fares Phone-only fares on this route — call free
Flight time details
5,463 miles nonstop takes roughly 11h 11m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- OSR — Ostrava Leos Janáček Airport · Ostrava, Czech Republic
- 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 OSR
- PRV · Přerov Air Base37 mi away
- ILZ · Žilina Airport39 mi away
- UHE · Kunovice Airport55 mi away
- KTW · Katowice International Airport69 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 OSR from KOS?
The flight distance from Ostrava (OSR) to Sihanoukville (KOS) is 5,463 miles (8,792 km, 4,747 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSR to KOS?
A nonstop flight takes about 11h 11m 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 Ostrava and Sihanoukville?
Sihanoukville is 5 hours ahead of Ostrava.
What is the cheapest way to fly from OSR to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSR–KOS that never appear on search engines, with no booking fees.