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KOS to FCO: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Rome (Leonardo da Vinci–Fiumicino Airport)
5,804 mi
9,341 km · 5,044 nm
11h 51m
estimated nonstop flight time
-5h
time difference · heading northwest
See live KOS→FCO fares Phone-only fares on this route — call free
Flight time details
5,804 miles nonstop takes roughly 11h 51m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- FCO — Leonardo da Vinci–Fiumicino Airport · Rome, Italy
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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Near FCO
Frequently asked questions
How far is KOS from FCO?
The flight distance from Sihanoukville (KOS) to Rome (FCO) is 5,804 miles (9,341 km, 5,044 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to FCO?
A nonstop flight takes about 11h 51m 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 Sihanoukville and Rome?
Rome is 5 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to FCO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–FCO that never appear on search engines, with no booking fees.