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NXX to KOS: distance & flight time
Willow Grove (Willow Grove Naval Air Station/Joint Reserve Base) → Sihanoukville (Sihanoukville International Airport)
8,927 mi
14,367 km · 7,758 nm
17h 58m
estimated nonstop flight time
+11h
time difference · heading north
See live NXX→KOS fares Phone-only fares on this route — call free
Flight time details
8,927 miles nonstop takes roughly 17h 58m 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
- NXX — Willow Grove Naval Air Station/Joint Reserve Base · Willow Grove, 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 NXX
- PHL · Philadelphia International Airport23 mi away
- BBX · Wings Field8 mi away
- DYL · Doylestown Airport9 mi away
- PNE · Northeast Philadelphia Airport11 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 NXX from KOS?
The flight distance from Willow Grove (NXX) to Sihanoukville (KOS) is 8,927 miles (14,367 km, 7,758 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NXX to KOS?
A nonstop flight takes about 17h 58m 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 Willow Grove and Sihanoukville?
Sihanoukville is 11 hours ahead of Willow Grove.
What is the cheapest way to fly from NXX to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NXX–KOS that never appear on search engines, with no booking fees.