Need help booking?
Unpublished phone-only deals available
REP to DCU: distance & flight time
Siem-reap (Siem Reap International Airport) → Decatur (Pryor Field Regional Airport)
9,042 mi
14,551 km · 7,857 nm
18h 12m
estimated nonstop flight time
—
time difference · heading north
See live REP→DCU fares Phone-only fares on this route — call free
Flight time details
9,042 miles nonstop takes roughly 18h 12m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- REP — Siem Reap International Airport · Siem-reap, Cambodia
- DCU — Pryor Field Regional Airport · Decatur, 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 DCU
- HSV · Huntsville International Carl T Jones Field10 mi away
- HUA · Redstone Army Air Field15 mi away
- MSL · Northwest Alabama Regional Airport38 mi away
- GAD · Northeast Alabama Regional Airport68 mi away
Frequently asked questions
How far is REP from DCU?
The flight distance from Siem-reap (REP) to Decatur (DCU) is 9,042 miles (14,551 km, 7,857 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to DCU?
A nonstop flight takes about 18h 12m 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 cheapest way to fly from REP to DCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–DCU that never appear on search engines, with no booking fees.