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STS to KOS: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Sihanoukville (Sihanoukville International Airport)
7,915 mi
12,739 km · 6,878 nm
15h 59m
estimated nonstop flight time
+14h
time difference · heading northwest
See live STS→KOS fares Phone-only fares on this route — call free
Flight time details
7,915 miles nonstop takes roughly 15h 59m 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
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, 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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 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 STS from KOS?
The flight distance from Santa Rosa (STS) to Sihanoukville (KOS) is 7,915 miles (12,739 km, 6,878 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to KOS?
A nonstop flight takes about 15h 59m 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 Santa Rosa and Sihanoukville?
Sihanoukville is 14 hours ahead of Santa Rosa.
What is the cheapest way to fly from STS to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–KOS that never appear on search engines, with no booking fees.