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KOS to NHA: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Nhatrang (Nha Trang Air Base)
393 mi
633 km · 342 nm
1h 30m
estimated nonstop flight time
Same time
time difference · heading east
See live KOS→NHA fares Phone-only fares on this route — call free
Flight time details
393 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
- NHA — Nha Trang Air Base · Nhatrang, 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 NHA
- CXR · Cam Ranh Airport16 mi away
- PHA · Phan Rang Airport44 mi away
- TBB · Dong Tac Airport58 mi away
- DLI · Lien Khuong Airport65 mi away
Frequently asked questions
How far is KOS from NHA?
The flight distance from Sihanoukville (KOS) to Nhatrang (NHA) is 393 miles (633 km, 342 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to NHA?
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 NHA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–NHA that never appear on search engines, with no booking fees.