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RBE to KOS: distance & flight time
Ratanakiri (Ratanakiri Airport) → Sihanoukville (Sihanoukville International Airport)
314 mi
505 km · 273 nm
1h 18m
estimated nonstop flight time
Same time
time difference · heading southwest
See live RBE→KOS fares Phone-only fares on this route — call free
Flight time details
314 miles nonstop takes roughly 1h 18m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- RBE — Ratanakiri Airport · Ratanakiri, Cambodia
- 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 RBE
- TNX · Stung Treng Airport67 mi away
- PXU · Pleiku Airport72 mi away
- AOU · Attopeu Airport76 mi away
- BMV · Buon Ma Thuot Airport106 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 RBE from KOS?
The flight distance from Ratanakiri (RBE) to Sihanoukville (KOS) is 314 miles (505 km, 273 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RBE to KOS?
A nonstop flight takes about 1h 18m 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 cheapest way to fly from RBE to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RBE–KOS that never appear on search engines, with no booking fees.