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GRK to HHQ: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Prachuap Khiri Khan (Hua Hin Airport)
9,195 mi
14,798 km · 7,990 nm
18h 30m
estimated nonstop flight time
+12h
time difference · heading northwest
See live GRK→HHQ fares Phone-only fares on this route — call free
Flight time details
9,195 miles nonstop takes roughly 18h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- HHQ — Hua Hin Airport · Prachuap Khiri Khan, Thailand
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 HHQ
- UTP · U-Tapao International Airport71 mi away
- BKK · Suvarnabhumi Airport90 mi away
- MGZ · Myeik Airport91 mi away
- DMK · Don Mueang International Airport99 mi away
Frequently asked questions
How far is GRK from HHQ?
The flight distance from Killeen (GRK) to Prachuap Khiri Khan (HHQ) is 9,195 miles (14,798 km, 7,990 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to HHQ?
A nonstop flight takes about 18h 30m 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 Prachuap Khiri Khan?
Prachuap Khiri Khan is 12 hours ahead of Killeen.
What is the cheapest way to fly from GRK to HHQ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–HHQ that never appear on search engines, with no booking fees.