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HHQ to GRF: distance & flight time
Prachuap Khiri Khan (Hua Hin Airport) → Fort Lewis (Gray Army Air Field)
7,548 mi
12,147 km · 6,559 nm
15h 16m
estimated nonstop flight time
-14h
time difference · heading northeast
See live HHQ→GRF fares Phone-only fares on this route — call free
Flight time details
7,548 miles nonstop takes roughly 15h 16m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- HHQ — Hua Hin Airport · Prachuap Khiri Khan, Thailand
- GRF — Gray Army Air Field · Fort Lewis, 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 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
Near GRF
- SEA · Seattle Tacoma International Airport29 mi away
- TCM · McChord Air Force Base6 mi away
- TIW · Tacoma Narrows Airport13 mi away
- OLM · Olympia Regional Airport17 mi away
Frequently asked questions
How far is HHQ from GRF?
The flight distance from Prachuap Khiri Khan (HHQ) to Fort Lewis (GRF) is 7,548 miles (12,147 km, 6,559 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HHQ to GRF?
A nonstop flight takes about 15h 16m 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 Prachuap Khiri Khan and Fort Lewis?
Fort Lewis is 14 hours behind Prachuap Khiri Khan.
What is the cheapest way to fly from HHQ to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HHQ–GRF that never appear on search engines, with no booking fees.