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KSO to GRB: distance & flight time
Kastoria (Kastoria National Airport) → Green Bay (Austin Straubel International Airport)
5,119 mi
8,238 km · 4,448 nm
10h 30m
estimated nonstop flight time
-8h
time difference · heading northwest
See live KSO→GRB fares Phone-only fares on this route — call free
Flight time details
5,119 miles nonstop takes roughly 10h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- KSO — Kastoria National Airport · Kastoria, Greece
- GRB — Austin Straubel International Airport · Green Bay, 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 KSO
- KZI · Filippos Airport31 mi away
- IOA · Ioannina Airport57 mi away
- OHD · Ohrid St. Paul the Apostle Airport58 mi away
- LRA · Larisa Airport83 mi away
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
Frequently asked questions
How far is KSO from GRB?
The flight distance from Kastoria (KSO) to Green Bay (GRB) is 5,119 miles (8,238 km, 4,448 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSO to GRB?
A nonstop flight takes about 10h 30m 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 Kastoria and Green Bay?
Green Bay is 8 hours behind Kastoria.
What is the cheapest way to fly from KSO to GRB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSO–GRB that never appear on search engines, with no booking fees.