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ROA to REP: distance & flight time
Roanoke VA (Roanoke–Blacksburg Regional Airport) → Siem-reap (Siem Reap International Airport)
8,923 mi
14,360 km · 7,754 nm
17h 58m
estimated nonstop flight time
+11h
time difference · heading north
See live ROA→REP fares Phone-only fares on this route — call free
Flight time details
8,923 miles nonstop takes roughly 17h 58m 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
- ROA — Roanoke–Blacksburg Regional Airport · Roanoke VA, 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 ROA
- LYH · Lynchburg Regional Preston Glenn Field43 mi away
- LWB · Greenbrier Valley Airport44 mi away
- DAN · Danville Regional Airport63 mi away
- BLF · Mercer County Airport68 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 ROA from REP?
The flight distance from Roanoke VA (ROA) to Siem-reap (REP) is 8,923 miles (14,360 km, 7,754 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROA to REP?
A nonstop flight takes about 17h 58m 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 Roanoke VA and Siem-reap?
Siem-reap is 11 hours ahead of Roanoke VA.
What is the cheapest way to fly from ROA to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROA–REP that never appear on search engines, with no booking fees.