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OTP to KOS: distance & flight time
Bucharest (Henri Coandă International Airport) → Sihanoukville (Sihanoukville International Airport)
5,096 mi
8,201 km · 4,428 nm
10h 28m
estimated nonstop flight time
+4h
time difference · heading east
See live OTP→KOS fares Phone-only fares on this route — call free
Flight time details
5,096 miles nonstop takes roughly 10h 28m 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
- OTP — Henri Coandă International Airport · Bucharest, Romania
- 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 OTP
- BBU · Băneasa International Airport5 mi away
- GOZ · Gorna Oryahovitsa Airport100 mi away
- CRA · Craiova Airport110 mi away
- CND · Mihail Kogălniceanu International Airport119 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 OTP from KOS?
The flight distance from Bucharest (OTP) to Sihanoukville (KOS) is 5,096 miles (8,201 km, 4,428 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OTP to KOS?
A nonstop flight takes about 10h 28m 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 Bucharest and Sihanoukville?
Sihanoukville is 4 hours ahead of Bucharest.
What is the cheapest way to fly from OTP to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OTP–KOS that never appear on search engines, with no booking fees.