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KOS to GSP: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Greenville (Greenville Spartanburg International Airport)
9,271 mi
14,921 km · 8,057 nm
18h 39m
estimated nonstop flight time
-11h
time difference · heading north
See live KOS→GSP fares Phone-only fares on this route — call free
Flight time details
9,271 miles nonstop takes roughly 18h 39m 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
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- GSP — Greenville Spartanburg International Airport · Greenville, 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 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
Near GSP
- GMU · Greenville Downtown Airport8 mi away
- GDC · Donaldson Field Airport13 mi away
- SPA · Spartanburg Downtown Memorial Airport15 mi away
- CLT · Charlotte Douglas International Airport75 mi away
Frequently asked questions
How far is KOS from GSP?
The flight distance from Sihanoukville (KOS) to Greenville (GSP) is 9,271 miles (14,921 km, 8,057 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to GSP?
A nonstop flight takes about 18h 39m 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 Sihanoukville and Greenville?
Greenville is 11 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to GSP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–GSP that never appear on search engines, with no booking fees.