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RFD to REP: distance & flight time
Rockford (Chicago Rockford International Airport) → Siem-reap (Siem Reap International Airport)
8,508 mi
13,692 km · 7,393 nm
17h 9m
estimated nonstop flight time
+12h
time difference · heading north
See live RFD→REP fares Phone-only fares on this route — call free
Flight time details
8,508 miles nonstop takes roughly 17h 9m 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
- RFD — Chicago Rockford International Airport · Rockford, 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 RFD
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 RFD from REP?
The flight distance from Rockford (RFD) to Siem-reap (REP) is 8,508 miles (13,692 km, 7,393 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RFD to REP?
A nonstop flight takes about 17h 9m 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 Rockford and Siem-reap?
Siem-reap is 12 hours ahead of Rockford.
What is the cheapest way to fly from RFD to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RFD–REP that never appear on search engines, with no booking fees.