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GUS to KOS: distance & flight time
Peru (Grissom Air Reserve Base) → Sihanoukville (Sihanoukville International Airport)
8,842 mi
14,231 km · 7,684 nm
17h 48m
estimated nonstop flight time
+12h
time difference · heading north
See live GUS→KOS fares Phone-only fares on this route — call free
Flight time details
8,842 miles nonstop takes roughly 17h 48m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- GUS — Grissom Air Reserve Base · Peru, United States
- KOS — Sihanoukville International Airport · Sihanoukville, 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 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
Near KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Frequently asked questions
How far is GUS from KOS?
The flight distance from Peru (GUS) to Sihanoukville (KOS) is 8,842 miles (14,231 km, 7,684 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GUS to KOS?
A nonstop flight takes about 17h 48m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GUS to KOS?
Nonstop service on GUS–KOS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 48m nonstop estimate.
What is the time difference between Peru and Sihanoukville?
Sihanoukville is 12 hours ahead of Peru.
What is the cheapest way to fly from GUS to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GUS–KOS that never appear on search engines, with no booking fees.
Why are some GUS to KOS fares phone-only?
Consolidator contracts let us sell certain GUS–KOS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.