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DUC to REP: distance & flight time
Duncan (Halliburton Field) → Siem-reap (Siem Reap International Airport)
8,833 mi
14,215 km · 7,676 nm
17h 47m
estimated nonstop flight time
+12h
time difference · heading northwest
See live DUC→REP fares Phone-only fares on this route — call free
Flight time details
8,833 miles nonstop takes roughly 17h 47m gate to gate, flying northwest. 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
- DUC — Halliburton Field · Duncan, 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 DUC
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 DUC from REP?
The flight distance from Duncan (DUC) to Siem-reap (REP) is 8,833 miles (14,215 km, 7,676 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to REP?
A nonstop flight takes about 17h 47m 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 Duncan and Siem-reap?
Siem-reap is 12 hours ahead of Duncan.
What is the cheapest way to fly from DUC to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–REP that never appear on search engines, with no booking fees.