Need help booking?
Unpublished phone-only deals available
REP to PHL: distance & flight time
Siem-reap (Siem Reap International Airport) → Philadelphia (Philadelphia International Airport)
8,755 mi
14,090 km · 7,608 nm
17h 38m
estimated nonstop flight time
-11h
time difference · heading north
See live REP→PHL fares Phone-only fares on this route — call free
Flight time details
8,755 miles nonstop takes roughly 17h 38m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- REP — Siem Reap International Airport · Siem-reap, Cambodia
- PHL — Philadelphia International Airport · Philadelphia, 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 PHL
- BBX · Wings Field18 mi away
- PNE · Northeast Philadelphia Airport19 mi away
- LLY · South Jersey Regional Airport22 mi away
- NXX · Willow Grove Naval Air Station/Joint Reserve Base23 mi away
Frequently asked questions
How far is REP from PHL?
The flight distance from Siem-reap (REP) to Philadelphia (PHL) is 8,755 miles (14,090 km, 7,608 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to PHL?
A nonstop flight takes about 17h 38m 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 Philadelphia?
Philadelphia is 11 hours behind Siem-reap.
What is the cheapest way to fly from REP to PHL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–PHL that never appear on search engines, with no booking fees.