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HEW to KOS: distance & flight time
Athens (Athen Helenikon Airport) → Sihanoukville (Sihanoukville International Airport)
5,224 mi
8,407 km · 4,539 nm
10h 43m
estimated nonstop flight time
+4h
time difference · heading east
See live HEW→KOS fares Phone-only fares on this route — call free
Flight time details
5,224 miles nonstop takes roughly 10h 43m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- HEW — Athen Helenikon Airport · Athens, Greece
- 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 HEW
- ATH · Eleftherios Venizelos International Airport12 mi away
- PKH · Porto Cheli Airport52 mi away
- JSY · Syros Airport74 mi away
- SKU · Skiros Airport85 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 HEW from KOS?
The flight distance from Athens (HEW) to Sihanoukville (KOS) is 5,224 miles (8,407 km, 4,539 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEW to KOS?
A nonstop flight takes about 10h 43m 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 Athens and Sihanoukville?
Sihanoukville is 4 hours ahead of Athens.
What is the cheapest way to fly from HEW to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEW–KOS that never appear on search engines, with no booking fees.