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USA to KOS: distance & flight time
Concord (Concord-Padgett Regional Airport) → Sihanoukville (Sihanoukville International Airport)
9,248 mi
14,883 km · 8,036 nm
18h 36m
estimated nonstop flight time
+11h
time difference · heading north
See live USA→KOS fares Phone-only fares on this route — call free
Flight time details
9,248 miles nonstop takes roughly 18h 36m 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
- USA — Concord-Padgett Regional Airport · Concord, 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 USA
- CLT · Charlotte Douglas International Airport18 mi away
- SVH · Statesville Regional Airport29 mi away
- RKH · Rock Hill - York County Airport34 mi away
- HKY · Hickory Regional Airport45 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 USA from KOS?
The flight distance from Concord (USA) to Sihanoukville (KOS) is 9,248 miles (14,883 km, 8,036 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USA to KOS?
A nonstop flight takes about 18h 36m 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 Concord and Sihanoukville?
Sihanoukville is 11 hours ahead of Concord.
What is the cheapest way to fly from USA to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USA–KOS that never appear on search engines, with no booking fees.