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TUS to REP: distance & flight time
Tucson (Tucson International Airport) → Siem-reap (Siem Reap International Airport)
8,541 mi
13,745 km · 7,422 nm
17h 13m
estimated nonstop flight time
+14h
time difference · heading northwest
See live TUS→REP fares Phone-only fares on this route — call free
Flight time details
8,541 miles nonstop takes roughly 17h 13m 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
- TUS — Tucson International Airport · Tucson, 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 TUS
- DMA · Davis Monthan Air Force Base5 mi away
- AVW · Marana Regional Airport26 mi away
- MZJ · Pinal Airpark35 mi away
- OLS · Nogales International Airport49 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 TUS from REP?
The flight distance from Tucson (TUS) to Siem-reap (REP) is 8,541 miles (13,745 km, 7,422 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TUS to REP?
A nonstop flight takes about 17h 13m 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 Tucson and Siem-reap?
Siem-reap is 14 hours ahead of Tucson.
What is the cheapest way to fly from TUS to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TUS–REP that never appear on search engines, with no booking fees.