Need help booking?
Unpublished phone-only deals available
OIR to REP: distance & flight time
Okushiri (Okushiri Airport) → Siem-reap (Siem Reap International Airport)
2,906 mi
4,678 km · 2,526 nm
6h 10m
estimated nonstop flight time
-2h
time difference · heading southwest
See live OIR→REP fares Phone-only fares on this route — call free
Flight time details
2,906 miles nonstop takes roughly 6h 10m 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
- OIR — Okushiri Airport · Okushiri, 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 OIR
- HKD · Hakodate Airport74 mi away
- AOJ · Aomori Airport113 mi away
- OKD · Okadama Airport123 mi away
- CTS · New Chitose Airport125 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 OIR from REP?
The flight distance from Okushiri (OIR) to Siem-reap (REP) is 2,906 miles (4,678 km, 2,526 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIR to REP?
A nonstop flight takes about 6h 10m 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 Okushiri and Siem-reap?
Siem-reap is 2 hours behind Okushiri.
What is the cheapest way to fly from OIR to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIR–REP that never appear on search engines, with no booking fees.