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KOS to NCO: distance & flight time
Sihanoukville (Sihanoukville International Airport) → North Kingstown (Quonset State Airport)
8,818 mi
14,191 km · 7,663 nm
17h 45m
estimated nonstop flight time
-11h
time difference · heading north
See live KOS→NCO fares Phone-only fares on this route — call free
Flight time details
8,818 miles nonstop takes roughly 17h 45m 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
- NCO — Quonset State Airport · North Kingstown, 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 NCO
Frequently asked questions
How far is KOS from NCO?
The flight distance from Sihanoukville (KOS) to North Kingstown (NCO) is 8,818 miles (14,191 km, 7,663 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to NCO?
A nonstop flight takes about 17h 45m 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 North Kingstown?
North Kingstown is 11 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to NCO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–NCO that never appear on search engines, with no booking fees.