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APC to KOS: distance & flight time
Napa (Napa County Airport) → Sihanoukville (Sihanoukville International Airport)
7,951 mi
12,795 km · 6,909 nm
16h 3m
estimated nonstop flight time
+14h
time difference · heading northwest
See live APC→KOS fares Phone-only fares on this route — call free
Flight time details
7,951 miles nonstop takes roughly 16h 3m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- APC — Napa County Airport · Napa, 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 APC
- SFO · San Francisco International Airport41 mi away
- NOT · Marin County Airport - Gnoss Field16 mi away
- SUU · Travis Air Force Base20 mi away
- CCR · Buchanan Field20 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 APC from KOS?
The flight distance from Napa (APC) to Sihanoukville (KOS) is 7,951 miles (12,795 km, 6,909 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from APC to KOS?
A nonstop flight takes about 16h 3m 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 Napa and Sihanoukville?
Sihanoukville is 14 hours ahead of Napa.
What is the cheapest way to fly from APC to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on APC–KOS that never appear on search engines, with no booking fees.