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GSO to KOS: distance & flight time
Greensboro (Piedmont Triad International Airport) → Sihanoukville (Sihanoukville International Airport)
9,203 mi
14,811 km · 7,997 nm
18h 31m
estimated nonstop flight time
+11h
time difference · heading north
See live GSO→KOS fares Phone-only fares on this route — call free
Flight time details
9,203 miles nonstop takes roughly 18h 31m 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
- GSO — Piedmont Triad International Airport · Greensboro, 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 GSO
- INT · Smith Reynolds Airport16 mi away
- CLT · Charlotte Douglas International Airport83 mi away
- DAN · Danville Regional Airport47 mi away
- SVH · Statesville Regional Airport61 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 GSO from KOS?
The flight distance from Greensboro (GSO) to Sihanoukville (KOS) is 9,203 miles (14,811 km, 7,997 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GSO to KOS?
A nonstop flight takes about 18h 31m 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 Greensboro and Sihanoukville?
Sihanoukville is 11 hours ahead of Greensboro.
What is the cheapest way to fly from GSO to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GSO–KOS that never appear on search engines, with no booking fees.