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GAI to HHQ: distance & flight time
Gaithersburg (Montgomery County Airpark) → Prachuap Khiri Khan (Hua Hin Airport)
8,853 mi
14,247 km · 7,693 nm
17h 49m
estimated nonstop flight time
+11h
time difference · heading north
See live GAI→HHQ fares Phone-only fares on this route — call free
Flight time details
8,853 miles nonstop takes roughly 17h 49m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, 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 GAI
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 GAI from HHQ?
The flight distance from Gaithersburg (GAI) to Prachuap Khiri Khan (HHQ) is 8,853 miles (14,247 km, 7,693 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to HHQ?
A nonstop flight takes about 17h 49m 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 Gaithersburg and Prachuap Khiri Khan?
Prachuap Khiri Khan is 11 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to HHQ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–HHQ that never appear on search engines, with no booking fees.