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EWR to KOS: distance & flight time
Newark (Newark Liberty International Airport) → Sihanoukville (Sihanoukville International Airport)
8,891 mi
14,309 km · 7,726 nm
17h 54m
estimated nonstop flight time
+11h
time difference · heading north
See live EWR→KOS fares Phone-only fares on this route — call free
Flight time details
8,891 miles nonstop takes roughly 17h 54m 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
- EWR — Newark Liberty International Airport · Newark, 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 EWR
- LGA · La Guardia Airport17 mi away
- JFK · John F Kennedy International Airport21 mi away
- LDJ · Linden Airport7 mi away
- JRB · Downtown-Manhattan/Wall St Heliport8 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 EWR from KOS?
The flight distance from Newark (EWR) to Sihanoukville (KOS) is 8,891 miles (14,309 km, 7,726 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EWR to KOS?
A nonstop flight takes about 17h 54m 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 Newark and Sihanoukville?
Sihanoukville is 11 hours ahead of Newark.
What is the cheapest way to fly from EWR to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EWR–KOS that never appear on search engines, with no booking fees.