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KOS to UNN: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Ranong (Ranong Airport)
348 mi
560 km · 302 nm
1h 23m
estimated nonstop flight time
Same time
time difference · heading west
See live KOS→UNN fares Phone-only fares on this route — call free
Flight time details
348 miles nonstop takes roughly 1h 23m gate to gate, flying west. 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
- UNN — Ranong Airport · Ranong, Thailand
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 UNN
- KAW · Kawthoung Airport19 mi away
- URT · Surat Thani Airport58 mi away
- CJM · Chumphon Airport83 mi away
- VBP · Bokpyinn Airport95 mi away
Frequently asked questions
How far is KOS from UNN?
The flight distance from Sihanoukville (KOS) to Ranong (UNN) is 348 miles (560 km, 302 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to UNN?
A nonstop flight takes about 1h 23m 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 UNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–UNN that never appear on search engines, with no booking fees.