Need help booking?
Unpublished phone-only deals available
TYS to REP: distance & flight time
Knoxville (McGhee Tyson Airport) → Siem-reap (Siem Reap International Airport)
8,998 mi
14,481 km · 7,819 nm
18h 7m
estimated nonstop flight time
+11h
time difference · heading north
See live TYS→REP fares Phone-only fares on this route — call free
Flight time details
8,998 miles nonstop takes roughly 18h 7m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- TYS — McGhee Tyson Airport · Knoxville, 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 TYS
- MMI · McMinn County Airport43 mi away
- HDI · Hardwick Field62 mi away
- CSV · Crossville Memorial Whitson Field62 mi away
- AVL · Asheville Regional Airport86 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 TYS from REP?
The flight distance from Knoxville (TYS) to Siem-reap (REP) is 8,998 miles (14,481 km, 7,819 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TYS to REP?
A nonstop flight takes about 18h 7m 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 Knoxville and Siem-reap?
Siem-reap is 11 hours ahead of Knoxville.
What is the cheapest way to fly from TYS to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TYS–REP that never appear on search engines, with no booking fees.