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ATO to REP: distance & flight time
Athens (Ohio University Snyder Field) → Siem-reap (Siem Reap International Airport)
8,780 mi
14,130 km · 7,630 nm
17h 41m
estimated nonstop flight time
+12h
time difference · heading north
See live ATO→REP fares Phone-only fares on this route — call free
Flight time details
8,780 miles nonstop takes roughly 17h 41m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- ATO — Ohio University Snyder Field · Athens, United States
- 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 ATO
- PMH · Greater Portsmouth Regional Airport42 mi away
- PKB · Mid Ohio Valley Regional Airport43 mi away
- ZZV · Zanesville Municipal Airport54 mi away
- LCK · Rickenbacker International Airport56 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 ATO from REP?
The flight distance from Athens (ATO) to Siem-reap (REP) is 8,780 miles (14,130 km, 7,630 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATO to REP?
A nonstop flight takes about 17h 41m 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 ATO to REP?
Nonstop service on ATO–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 17h 41m nonstop estimate.
What is the time difference between Athens and Siem-reap?
Siem-reap is 12 hours ahead of Athens.
What is the cheapest way to fly from ATO to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATO–REP that never appear on search engines, with no booking fees.
Why are some ATO to REP fares phone-only?
Consolidator contracts let us sell certain ATO–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.