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CAT to KOS: distance & flight time
Cascais (Cascais Airport) → Sihanoukville (Sihanoukville International Airport)
6,954 mi
11,191 km · 6,043 nm
14h 6m
estimated nonstop flight time
+6h
time difference · heading northeast
See live CAT→KOS fares Phone-only fares on this route — call free
Flight time details
6,954 miles nonstop takes roughly 14h 6m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- CAT — Cascais Airport · Cascais, Portugal
- 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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 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 CAT from KOS?
The flight distance from Cascais (CAT) to Sihanoukville (KOS) is 6,954 miles (11,191 km, 6,043 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to KOS?
A nonstop flight takes about 14h 6m 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 Cascais and Sihanoukville?
Sihanoukville is 6 hours ahead of Cascais.
What is the cheapest way to fly from CAT to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–KOS that never appear on search engines, with no booking fees.