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SMN to REP: distance & flight time
Salmon (Lemhi County Airport) → Siem-reap (Siem Reap International Airport)
7,756 mi
12,482 km · 6,740 nm
15h 40m
estimated nonstop flight time
+13h
time difference · heading northwest
See live SMN→REP fares Phone-only fares on this route — call free
Flight time details
7,756 miles nonstop takes roughly 15h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- SMN — Lemhi County Airport · Salmon, 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 SMN
- BTM · Bert Mooney Airport88 mi away
- MYL · McCall Municipal Airport110 mi away
- SUN · Friedman Memorial Airport114 mi away
- MSO · Missoula International Airport124 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 SMN from REP?
The flight distance from Salmon (SMN) to Siem-reap (REP) is 7,756 miles (12,482 km, 6,740 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SMN to REP?
A nonstop flight takes about 15h 40m 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 Salmon and Siem-reap?
Siem-reap is 13 hours ahead of Salmon.
What is the cheapest way to fly from SMN to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SMN–REP that never appear on search engines, with no booking fees.