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REP to AST: distance & flight time
Siem-reap (Siem Reap International Airport) → Astoria (Astoria Regional Airport)
7,368 mi
11,857 km · 6,402 nm
14h 55m
estimated nonstop flight time
-14h
time difference · heading northeast
See live REP→AST fares Phone-only fares on this route — call free
Flight time details
7,368 miles nonstop takes roughly 14h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- REP — Siem Reap International Airport · Siem-reap, Cambodia
- AST — Astoria Regional Airport · Astoria, 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 AST
- KLS · Southwest Washington Regional Airport47 mi away
- OTK · Tillamook Airport51 mi away
- HQM · Bowerman Airport56 mi away
- CLS · Chehalis Centralia Airport56 mi away
Frequently asked questions
How far is REP from AST?
The flight distance from Siem-reap (REP) to Astoria (AST) is 7,368 miles (11,857 km, 6,402 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to AST?
A nonstop flight takes about 14h 55m 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 Astoria?
Astoria is 14 hours behind Siem-reap.
What is the cheapest way to fly from REP to AST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–AST that never appear on search engines, with no booking fees.