Need help booking?
Unpublished phone-only deals available
ATL to REP: distance & flight time
Atlanta (Hartsfield Jackson Atlanta International Airport) → Siem-reap (Siem Reap International Airport)
9,141 mi
14,711 km · 7,943 nm
18h 23m
estimated nonstop flight time
+11h
time difference · heading north
See live ATL→REP fares Phone-only fares on this route — call free
Flight time details
9,141 miles nonstop takes roughly 18h 23m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- ATL — Hartsfield Jackson Atlanta International Airport · Atlanta, 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 ATL
- FTY · Fulton County Airport Brown Field11 mi away
- PDK · DeKalb Peachtree Airport18 mi away
- MGE · Dobbins Air Reserve Base20 mi away
- LZU · Gwinnett County Briscoe Field36 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 ATL from REP?
The flight distance from Atlanta (ATL) to Siem-reap (REP) is 9,141 miles (14,711 km, 7,943 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATL to REP?
A nonstop flight takes about 18h 23m 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 Atlanta and Siem-reap?
Siem-reap is 11 hours ahead of Atlanta.
What is the cheapest way to fly from ATL to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATL–REP that never appear on search engines, with no booking fees.