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GDW to KOS: distance & flight time
Gladwin (Gladwin Zettel Memorial Airport) → Sihanoukville (Sihanoukville International Airport)
8,633 mi
13,894 km · 7,502 nm
17h 24m
estimated nonstop flight time
+11h
time difference · heading north
See live GDW→KOS fares Phone-only fares on this route — call free
Flight time details
8,633 miles nonstop takes roughly 17h 24m 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
- GDW — Gladwin Zettel Memorial Airport · Gladwin, 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 GDW
- HTL · Roscommon County - Blodgett Memorial Airport29 mi away
- MBS · MBS International Airport36 mi away
- AMN · Gratiot Community Airport46 mi away
- ECA · Iosco County Airport57 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 GDW from KOS?
The flight distance from Gladwin (GDW) to Sihanoukville (KOS) is 8,633 miles (13,894 km, 7,502 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GDW to KOS?
A nonstop flight takes about 17h 24m 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 Gladwin and Sihanoukville?
Sihanoukville is 11 hours ahead of Gladwin.
What is the cheapest way to fly from GDW to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GDW–KOS that never appear on search engines, with no booking fees.