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GRB to KOS: distance & flight time
Green Bay (Austin Straubel International Airport) → Sihanoukville (Sihanoukville International Airport)
8,561 mi
13,778 km · 7,440 nm
17h 15m
estimated nonstop flight time
+12h
time difference · heading north
See live GRB→KOS fares Phone-only fares on this route — call free
Flight time details
8,561 miles nonstop takes roughly 17h 15m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- GRB — Austin Straubel International Airport · Green Bay, 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 GRB
- ATW · Appleton International Airport25 mi away
- OSH · Wittman Regional Airport41 mi away
- MNM · Menominee Regional Airport50 mi away
- SBM · Sheboygan County Memorial Airport51 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 GRB from KOS?
The flight distance from Green Bay (GRB) to Sihanoukville (KOS) is 8,561 miles (13,778 km, 7,440 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRB to KOS?
A nonstop flight takes about 17h 15m 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 Green Bay and Sihanoukville?
Sihanoukville is 12 hours ahead of Green Bay.
What is the cheapest way to fly from GRB to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRB–KOS that never appear on search engines, with no booking fees.