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KOS to GYY: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Gary (Gary Chicago International Airport)
8,763 mi
14,102 km · 7,614 nm
17h 39m
estimated nonstop flight time
-13h
time difference · heading north
See live KOS→GYY fares Phone-only fares on this route — call free
Flight time details
8,763 miles nonstop takes roughly 17h 39m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- GYY — Gary Chicago International Airport · Gary, 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 GYY
- ORD · Chicago O'Hare International Airport36 mi away
- CGX · Chicago Meigs Airport20 mi away
- MDW · Chicago Midway International Airport21 mi away
- VPZ · Porter County Municipal Airport24 mi away
Frequently asked questions
How far is KOS from GYY?
The flight distance from Sihanoukville (KOS) to Gary (GYY) is 8,763 miles (14,102 km, 7,614 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to GYY?
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 KOS to GYY?
Nonstop service on KOS–GYY 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 time difference between Sihanoukville and Gary?
Gary is 13 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to GYY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–GYY that never appear on search engines, with no booking fees.
Why are some KOS to GYY fares phone-only?
Consolidator contracts let us sell certain KOS–GYY 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.