Need help booking?
Unpublished phone-only deals available
KOS to LGB: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Long Beach (Long Beach /Daugherty Field/ Airport)
8,322 mi
13,393 km · 7,232 nm
16h 47m
estimated nonstop flight time
-14h
time difference · heading northeast
See live KOS→LGB fares Phone-only fares on this route — call free
Flight time details
8,322 miles nonstop takes roughly 16h 47m 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
- LGB — Long Beach /Daugherty Field/ Airport · Long Beach, 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 LGB
- LAX · Los Angeles International Airport17 mi away
- FUL · Fullerton Municipal Airport11 mi away
- TOA · Zamperini Field11 mi away
- HHR · Jack Northrop Field Hawthorne Municipal Airport13 mi away
Frequently asked questions
How far is KOS from LGB?
The flight distance from Sihanoukville (KOS) to Long Beach (LGB) is 8,322 miles (13,393 km, 7,232 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to LGB?
A nonstop flight takes about 16h 47m 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 Long Beach?
Long Beach is 14 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to LGB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–LGB that never appear on search engines, with no booking fees.