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EFL to GRK: distance & flight time
Keffallinia (Kefallinia Airport) → Killeen (Robert Gray Army Air Field Airport)
6,223 mi
10,015 km · 5,408 nm
12h 40m
estimated nonstop flight time
-8h
time difference · heading northwest
See live EFL→GRK fares Phone-only fares on this route — call free
Flight time details
6,223 miles nonstop takes roughly 12h 40m 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
- EFL — Kefallinia Airport · Keffallinia, 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 EFL
- ZTH · Zakynthos International Airport "Dionysios Solomos"33 mi away
- PYR · Andravida Air Base45 mi away
- GPA · Araxos Airport50 mi away
- AGQ · Agrinion Air Base57 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 EFL from GRK?
The flight distance from Keffallinia (EFL) to Killeen (GRK) is 6,223 miles (10,015 km, 5,408 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EFL to GRK?
A nonstop flight takes about 12h 40m 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 Keffallinia and Killeen?
Killeen is 8 hours behind Keffallinia.
What is the cheapest way to fly from EFL to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EFL–GRK that never appear on search engines, with no booking fees.