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KOP to REP: distance & flight time
Nakhon Phanom (Nakhon Phanom Airport) → Siem-reap (Siem Reap International Airport)
280 mi
451 km · 243 nm
1h 12m
estimated nonstop flight time
Same time
time difference · heading south
See live KOP→REP fares Phone-only fares on this route — call free
Flight time details
280 miles nonstop takes roughly 1h 12m 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
- REP — Siem Reap International Airport · Siem-reap, 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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Frequently asked questions
How far is KOP from REP?
The flight distance from Nakhon Phanom (KOP) to Siem-reap (REP) is 280 miles (451 km, 243 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOP to REP?
A nonstop flight takes about 1h 12m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from KOP to REP?
Nonstop service on KOP–REP depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 12m nonstop estimate.
What is the cheapest way to fly from KOP to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOP–REP that never appear on search engines, with no booking fees.
Why are some KOP to REP fares phone-only?
Consolidator contracts let us sell certain KOP–REP tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.