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CER to KOS: distance & flight time
Cherbourg (Cherbourg-Maupertus Airport) → Sihanoukville (Sihanoukville International Airport)
6,321 mi
10,173 km · 5,493 nm
12h 52m
estimated nonstop flight time
+5h
time difference · heading east
See live CER→KOS fares Phone-only fares on this route — call free
Flight time details
6,321 miles nonstop takes roughly 12h 52m 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
- CER — Cherbourg-Maupertus Airport · Cherbourg, France
- KOS — Sihanoukville International Airport · Sihanoukville, 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 CER
- ACI · Alderney Airport34 mi away
- JER · Jersey Airport45 mi away
- GCI · Guernsey Airport53 mi away
- GFR · Granville Airport53 mi away
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
Frequently asked questions
How far is CER from KOS?
The flight distance from Cherbourg (CER) to Sihanoukville (KOS) is 6,321 miles (10,173 km, 5,493 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CER to KOS?
A nonstop flight takes about 12h 52m 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 Cherbourg and Sihanoukville?
Sihanoukville is 5 hours ahead of Cherbourg.
What is the cheapest way to fly from CER to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CER–KOS that never appear on search engines, with no booking fees.