Need help booking?
Unpublished phone-only deals available
GBG to KOS: distance & flight time
Galesburg (Galesburg Municipal Airport) → Sihanoukville (Sihanoukville International Airport)
8,766 mi
14,107 km · 7,617 nm
17h 39m
estimated nonstop flight time
—
time difference · heading north
See live GBG→KOS fares Phone-only fares on this route — call free
Flight time details
8,766 miles nonstop takes roughly 17h 39m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GBG — Galesburg Municipal Airport · Galesburg, 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 GBG
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 GBG from KOS?
The flight distance from Galesburg (GBG) to Sihanoukville (KOS) is 8,766 miles (14,107 km, 7,617 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GBG to KOS?
A nonstop flight takes about 17h 39m 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 GBG to KOS?
Nonstop service on GBG–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 39m nonstop estimate.
What is the cheapest way to fly from GBG to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GBG–KOS that never appear on search engines, with no booking fees.
Why are some GBG to KOS fares phone-only?
Consolidator contracts let us sell certain GBG–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.