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HHQ to ALN: distance & flight time
Prachuap Khiri Khan (Hua Hin Airport) → Alton/St Louis (St Louis Regional Airport)
8,819 mi
14,192 km · 7,663 nm
17h 45m
estimated nonstop flight time
—
time difference · heading north
See live HHQ→ALN fares Phone-only fares on this route — call free
Flight time details
8,819 miles nonstop takes roughly 17h 45m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- HHQ — Hua Hin Airport · Prachuap Khiri Khan, Thailand
- ALN — St Louis Regional Airport · Alton/St Louis, 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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is HHQ from ALN?
The flight distance from Prachuap Khiri Khan (HHQ) to Alton/St Louis (ALN) is 8,819 miles (14,192 km, 7,663 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HHQ to ALN?
A nonstop flight takes about 17h 45m 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 cheapest way to fly from HHQ to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HHQ–ALN that never appear on search engines, with no booking fees.