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KOP to KOS: distance & flight time
Nakhon Phanom (Nakhon Phanom Airport) → Sihanoukville (Sihanoukville International Airport)
475 mi
764 km · 413 nm
1h 30m
estimated nonstop flight time
Same time
time difference · heading south
See live KOP→KOS fares Phone-only fares on this route — call free
Flight time details
475 miles nonstop takes roughly 1h 30m gate to gate, flying south. 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
- KOP — Nakhon Phanom Airport · Nakhon Phanom, Thailand
- 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 KOP
- SNO · Sakon Nakhon Airport37 mi away
- ZVK · Savannakhet Airport58 mi away
- ROI · Roi Et Airport105 mi away
- VII · Vinh Airport115 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 KOP from KOS?
The flight distance from Nakhon Phanom (KOP) to Sihanoukville (KOS) is 475 miles (764 km, 413 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOP to KOS?
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 KOP to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOP–KOS that never appear on search engines, with no booking fees.