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KMJ to REP: distance & flight time
Kumamoto (Kumamoto Airport) → Siem-reap (Siem Reap International Airport)
2,168 mi
3,490 km · 1,884 nm
4h 43m
estimated nonstop flight time
-2h
time difference · heading southwest
See live KMJ→REP fares Phone-only fares on this route — call free
Flight time details
2,168 miles nonstop takes roughly 4h 43m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- KMJ — Kumamoto Airport · Kumamoto, Japan
- 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 KMJ
- HSG · Saga Airport39 mi away
- AXJ · Amakusa Airport47 mi away
- NGS · Nagasaki Airport55 mi away
- FUK · Fukuoka Airport57 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 KMJ from REP?
The flight distance from Kumamoto (KMJ) to Siem-reap (REP) is 2,168 miles (3,490 km, 1,884 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KMJ to REP?
A nonstop flight takes about 4h 43m 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 time difference between Kumamoto and Siem-reap?
Siem-reap is 2 hours behind Kumamoto.
What is the cheapest way to fly from KMJ to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KMJ–REP that never appear on search engines, with no booking fees.