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FCO to REP: distance & flight time
Rome (Leonardo da Vinci–Fiumicino Airport) → Siem-reap (Siem Reap International Airport)
5,684 mi
9,147 km · 4,939 nm
11h 37m
estimated nonstop flight time
+5h
time difference · heading east
See live FCO→REP fares Phone-only fares on this route — call free
Flight time details
5,684 miles nonstop takes roughly 11h 37m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- FCO — Leonardo da Vinci–Fiumicino Airport · Rome, Italy
- 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 FCO
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 FCO from REP?
The flight distance from Rome (FCO) to Siem-reap (REP) is 5,684 miles (9,147 km, 4,939 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FCO to REP?
A nonstop flight takes about 11h 37m 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 Rome and Siem-reap?
Siem-reap is 5 hours ahead of Rome.
What is the cheapest way to fly from FCO to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FCO–REP that never appear on search engines, with no booking fees.