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KSO to GRK: distance & flight time
Kastoria (Kastoria National Airport) → Killeen (Robert Gray Army Air Field Airport)
6,149 mi
9,895 km · 5,343 nm
12h 31m
estimated nonstop flight time
-8h
time difference · heading northwest
See live KSO→GRK fares Phone-only fares on this route — call free
Flight time details
6,149 miles nonstop takes roughly 12h 31m 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
- GRK — Robert Gray Army Air Field Airport · Killeen, 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 GRK
- HLR · Hood Army Air Field8 mi away
- AUS · Austin Bergstrom International Airport61 mi away
- TPL · Draughon Miller Central Texas Regional Airport26 mi away
- ACT · Waco Regional Airport52 mi away
Frequently asked questions
How far is KSO from GRK?
The flight distance from Kastoria (KSO) to Killeen (GRK) is 6,149 miles (9,895 km, 5,343 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSO to GRK?
A nonstop flight takes about 12h 31m 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 Killeen?
Killeen is 8 hours behind Kastoria.
What is the cheapest way to fly from KSO to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSO–GRK that never appear on search engines, with no booking fees.