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RJB to KOS: distance & flight time
Rajbiraj (Rajbiraj Airport) → Sihanoukville (Sihanoukville International Airport)
1,558 mi
2,507 km · 1,353 nm
3h 31m
estimated nonstop flight time
—
time difference · heading southeast
See live RJB→KOS fares Phone-only fares on this route — call free
Flight time details
1,558 miles nonstop takes roughly 3h 31m gate to gate, flying southeast. 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
- RJB — Rajbiraj Airport · Rajbiraj, Nepal
- 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 RJB
- BIR · Biratnagar Airport33 mi away
- BHP · Bhojpur Airport48 mi away
- LDN · Lamidanda Airport51 mi away
- JKR · Janakpur Airport52 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 RJB from KOS?
The flight distance from Rajbiraj (RJB) to Sihanoukville (KOS) is 1,558 miles (2,507 km, 1,353 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RJB to KOS?
A nonstop flight takes about 3h 31m 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 RJB to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RJB–KOS that never appear on search engines, with no booking fees.