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GRK to SYO: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Shonai (Shonai Airport)
6,353 mi
10,224 km · 5,521 nm
12h 55m
estimated nonstop flight time
+14h
time difference · heading northwest
See live GRK→SYO fares Phone-only fares on this route — call free
Flight time details
6,353 miles nonstop takes roughly 12h 55m 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
- SYO — Shonai Airport · Shonai, 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 SYO
- GAJ · Yamagata Airport42 mi away
- AXT · Akita Airport60 mi away
- KIJ · Niigata Airport69 mi away
- SDJ · Sendai Airport77 mi away
Frequently asked questions
How far is GRK from SYO?
The flight distance from Killeen (GRK) to Shonai (SYO) is 6,353 miles (10,224 km, 5,521 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to SYO?
A nonstop flight takes about 12h 55m 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 Shonai?
Shonai is 14 hours ahead of Killeen.
What is the cheapest way to fly from GRK to SYO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–SYO that never appear on search engines, with no booking fees.