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JST to REP: distance & flight time
Johnstown (John Murtha Johnstown Cambria County Airport) → Siem-reap (Siem Reap International Airport)
8,721 mi
14,035 km · 7,578 nm
17h 34m
estimated nonstop flight time
+11h
time difference · heading north
See live JST→REP fares Phone-only fares on this route — call free
Flight time details
8,721 miles nonstop takes roughly 17h 34m 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
- JST — John Murtha Johnstown Cambria County Airport · Johnstown, 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 JST
- AOO · Altoona Blair County Airport27 mi away
- LBE · Arnold Palmer Regional Airport30 mi away
- CBE · Greater Cumberland Regional Airport49 mi away
- AGC · Allegheny County Airport58 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 JST from REP?
The flight distance from Johnstown (JST) to Siem-reap (REP) is 8,721 miles (14,035 km, 7,578 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JST to REP?
A nonstop flight takes about 17h 34m 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 Johnstown and Siem-reap?
Siem-reap is 11 hours ahead of Johnstown.
What is the cheapest way to fly from JST to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JST–REP that never appear on search engines, with no booking fees.