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GRK to IOA: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Ioannina (Ioannina Airport)
6,165 mi
9,921 km · 5,357 nm
12h 33m
estimated nonstop flight time
+8h
time difference · heading northeast
See live GRK→IOA fares Phone-only fares on this route — call free
Flight time details
6,165 miles nonstop takes roughly 12h 33m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- IOA — Ioannina Airport · Ioannina, Greece
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 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
Near IOA
- CFU · Ioannis Kapodistrias International Airport49 mi away
- PVK · Aktion National Airport53 mi away
- KSO · Kastoria National Airport57 mi away
- KZI · Filippos Airport68 mi away
Frequently asked questions
How far is GRK from IOA?
The flight distance from Killeen (GRK) to Ioannina (IOA) is 6,165 miles (9,921 km, 5,357 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to IOA?
A nonstop flight takes about 12h 33m 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 Killeen and Ioannina?
Ioannina is 8 hours ahead of Killeen.
What is the cheapest way to fly from GRK to IOA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–IOA that never appear on search engines, with no booking fees.