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KOS to CXR: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Nha Trang (Cam Ranh Airport)
391 mi
629 km · 340 nm
1h 30m
estimated nonstop flight time
Same time
time difference · heading east
See live KOS→CXR fares Phone-only fares on this route — call free
Flight time details
391 miles nonstop takes roughly 1h 30m gate to gate, flying east. 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
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- CXR — Cam Ranh Airport · Nha Trang, Vietnam
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 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
Near CXR
- NHA · Nha Trang Air Base16 mi away
- PHA · Phan Rang Airport31 mi away
- DLI · Lien Khuong Airport60 mi away
- TBB · Dong Tac Airport73 mi away
Frequently asked questions
How far is KOS from CXR?
The flight distance from Sihanoukville (KOS) to Nha Trang (CXR) is 391 miles (629 km, 340 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to CXR?
A nonstop flight takes about 1h 30m 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 KOS to CXR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–CXR that never appear on search engines, with no booking fees.