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GRK to ONQ: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Zonguldak (Zonguldak Airport)
6,494 mi
10,452 km · 5,643 nm
13h 12m
estimated nonstop flight time
+8h
time difference · heading northeast
See live GRK→ONQ fares Phone-only fares on this route — call free
Flight time details
6,494 miles nonstop takes roughly 13h 12m 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
- ONQ — Zonguldak Airport · Zonguldak, Turkey
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 ONQ
- KFS · Kastamonu Airport89 mi away
- ESB · Esenboğa International Airport106 mi away
- ANK · Etimesgut Air Base112 mi away
- KCO · Cengiz Topel Airport117 mi away
Frequently asked questions
How far is GRK from ONQ?
The flight distance from Killeen (GRK) to Zonguldak (ONQ) is 6,494 miles (10,452 km, 5,643 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to ONQ?
A nonstop flight takes about 13h 12m 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 Zonguldak?
Zonguldak is 8 hours ahead of Killeen.
What is the cheapest way to fly from GRK to ONQ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–ONQ that never appear on search engines, with no booking fees.