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REP to GUS: distance & flight time
Siem-reap (Siem Reap International Airport) → Peru (Grissom Air Reserve Base)
8,648 mi
13,917 km · 7,514 nm
17h 25m
estimated nonstop flight time
-11h
time difference · heading north
See live REP→GUS fares Phone-only fares on this route — call free
Flight time details
8,648 miles nonstop takes roughly 17h 25m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- REP — Siem Reap International Airport · Siem-reap, Cambodia
- GUS — Grissom Air Reserve Base · Peru, United States
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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Near GUS
- OKK · Kokomo Municipal Airport10 mi away
- LAF · Purdue University Airport44 mi away
- AID · Anderson Municipal Darlington Field47 mi away
- MIE · Delaware County Johnson Field49 mi away
Frequently asked questions
How far is REP from GUS?
The flight distance from Siem-reap (REP) to Peru (GUS) is 8,648 miles (13,917 km, 7,514 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to GUS?
A nonstop flight takes about 17h 25m 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 Siem-reap and Peru?
Peru is 11 hours behind Siem-reap.
What is the cheapest way to fly from REP to GUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–GUS that never appear on search engines, with no booking fees.