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REP to ONO: distance & flight time
Siem-reap (Siem Reap International Airport) → Ontario (Ontario Municipal Airport)
7,711 mi
12,409 km · 6,701 nm
15h 35m
estimated nonstop flight time
-13h
time difference · heading northeast
See live REP→ONO fares Phone-only fares on this route — call free
Flight time details
7,711 miles nonstop takes roughly 15h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- REP — Siem Reap International Airport · Siem-reap, Cambodia
- ONO — Ontario Municipal Airport · Ontario, United States
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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Near ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Frequently asked questions
How far is REP from ONO?
The flight distance from Siem-reap (REP) to Ontario (ONO) is 7,711 miles (12,409 km, 6,701 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to ONO?
A nonstop flight takes about 15h 35m 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 Siem-reap and Ontario?
Ontario is 13 hours behind Siem-reap.
What is the cheapest way to fly from REP to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–ONO that never appear on search engines, with no booking fees.