Need help booking?
Unpublished phone-only deals available
KOS to SMO: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Santa Monica (Santa Monica Municipal Airport)
8,300 mi
13,358 km · 7,213 nm
16h 44m
estimated nonstop flight time
-14h
time difference · heading northeast
See live KOS→SMO fares Phone-only fares on this route — call free
Flight time details
8,300 miles nonstop takes roughly 16h 44m 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
- SMO — Santa Monica Municipal Airport · Santa Monica, 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 SMO
- LAX · Los Angeles International Airport6 mi away
- HHR · Jack Northrop Field Hawthorne Municipal Airport9 mi away
- BUR · Bob Hope Airport14 mi away
- VNY · Van Nuys Airport14 mi away
Frequently asked questions
How far is KOS from SMO?
The flight distance from Sihanoukville (KOS) to Santa Monica (SMO) is 8,300 miles (13,358 km, 7,213 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to SMO?
A nonstop flight takes about 16h 44m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from KOS to SMO?
Nonstop service on KOS–SMO depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 16h 44m nonstop estimate.
What is the time difference between Sihanoukville and Santa Monica?
Santa Monica is 14 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to SMO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–SMO that never appear on search engines, with no booking fees.
Why are some KOS to SMO fares phone-only?
Consolidator contracts let us sell certain KOS–SMO tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.