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SMO to REP: distance & flight time
Santa Monica (Santa Monica Municipal Airport) → Siem-reap (Siem Reap International Airport)
8,142 mi
13,103 km · 7,075 nm
16h 26m
estimated nonstop flight time
+14h
time difference · heading northwest
See live SMO→REP fares Phone-only fares on this route — call free
Flight time details
8,142 miles nonstop takes roughly 16h 26m 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
- SMO — Santa Monica Municipal Airport · Santa Monica, United States
- REP — Siem Reap International Airport · Siem-reap, 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 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
Near REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Frequently asked questions
How far is SMO from REP?
The flight distance from Santa Monica (SMO) to Siem-reap (REP) is 8,142 miles (13,103 km, 7,075 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SMO to REP?
A nonstop flight takes about 16h 26m 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 Monica and Siem-reap?
Siem-reap is 14 hours ahead of Santa Monica.
What is the cheapest way to fly from SMO to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SMO–REP that never appear on search engines, with no booking fees.