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CTH to KOS: distance & flight time
Coatesville (Chester County G O Carlson Airport) → Sihanoukville (Sihanoukville International Airport)
8,943 mi
14,393 km · 7,772 nm
18h
estimated nonstop flight time
+11h
time difference · heading north
See live CTH→KOS fares Phone-only fares on this route — call free
Flight time details
8,943 miles nonstop takes roughly 18h gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- CTH — Chester County G O Carlson Airport · Coatesville, United States
- 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 CTH
- PHL · Philadelphia International Airport34 mi away
- ILG · New Castle Airport25 mi away
- LNS · Lancaster Airport25 mi away
- RDG · Reading Regional Carl A Spaatz Field28 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 CTH from KOS?
The flight distance from Coatesville (CTH) to Sihanoukville (KOS) is 8,943 miles (14,393 km, 7,772 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CTH to KOS?
A nonstop flight takes about 18h 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 Coatesville and Sihanoukville?
Sihanoukville is 11 hours ahead of Coatesville.
What is the cheapest way to fly from CTH to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CTH–KOS that never appear on search engines, with no booking fees.