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KOS to SFO: distance & flight time
Sihanoukville (Sihanoukville International Airport) → San Francisco (San Francisco International Airport)
7,972 mi
12,830 km · 6,928 nm
16h 6m
estimated nonstop flight time
-14h
time difference · heading northeast
See live KOS→SFO fares Phone-only fares on this route — call free
Flight time details
7,972 miles nonstop takes roughly 16h 6m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- SFO — San Francisco International Airport · San Francisco, 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 SFO
- SQL · San Carlos Airport10 mi away
- HAF · Half Moon Bay Airport10 mi away
- OAK · Metropolitan Oakland International Airport11 mi away
- NGZ · Alameda Naval Air Station12 mi away
Frequently asked questions
How far is KOS from SFO?
The flight distance from Sihanoukville (KOS) to San Francisco (SFO) is 7,972 miles (12,830 km, 6,928 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to SFO?
A nonstop flight takes about 16h 6m 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 San Francisco?
San Francisco is 14 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to SFO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–SFO that never appear on search engines, with no booking fees.