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GRK to OKJ: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Okayama (Okayama Airport)
6,783 mi
10,916 km · 5,894 nm
13h 46m
estimated nonstop flight time
+14h
time difference · heading northwest
See live GRK→OKJ fares Phone-only fares on this route — call free
Flight time details
6,783 miles nonstop takes roughly 13h 46m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- OKJ — Okayama Airport · Okayama, Japan
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 OKJ
- TAK · Takamatsu Airport39 mi away
- TTJ · Tottori Airport56 mi away
- HIJ · Hiroshima Airport58 mi away
- TKS · Tokushima Airport/JMSDF Air Base61 mi away
Frequently asked questions
How far is GRK from OKJ?
The flight distance from Killeen (GRK) to Okayama (OKJ) is 6,783 miles (10,916 km, 5,894 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to OKJ?
A nonstop flight takes about 13h 46m 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 Okayama?
Okayama is 14 hours ahead of Killeen.
What is the cheapest way to fly from GRK to OKJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–OKJ that never appear on search engines, with no booking fees.