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KOS to CHS: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Charleston (Charleston Air Force Base-International Airport)
9,423 mi
15,165 km · 8,188 nm
18h 57m
estimated nonstop flight time
-11h
time difference · heading north
See live KOS→CHS fares Phone-only fares on this route — call free
Flight time details
9,423 miles nonstop takes roughly 18h 57m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- CHS — Charleston Air Force Base-International Airport · Charleston, United States
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 CHS
- BFT · Beaufort County Airport48 mi away
- GGE · Georgetown County Airport51 mi away
- HHH · Hilton Head Airport60 mi away
- OGB · Orangeburg Municipal Airport61 mi away
Frequently asked questions
How far is KOS from CHS?
The flight distance from Sihanoukville (KOS) to Charleston (CHS) is 9,423 miles (15,165 km, 8,188 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to CHS?
A nonstop flight takes about 18h 57m 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 Charleston?
Charleston is 11 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to CHS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–CHS that never appear on search engines, with no booking fees.