Nonstop flight route between Hat Yai, Songkhla Province, Thailand and Altenrhein, Switzerland:
Departure Airport:

Arrival Airport:

Distance from HDY to ACH:
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- About this route
- HDY Airport Information
- ACH Airport Information
- Facts about HDY
- Facts about ACH
- Map of Nearest Airports to HDY
- List of Nearest Airports to HDY
- Map of Furthest Airports from HDY
- List of Furthest Airports from HDY
- Map of Nearest Airports to ACH
- List of Nearest Airports to ACH
- Map of Furthest Airports from ACH
- List of Furthest Airports from ACH
About this route:
A direct, nonstop flight between Hat Yai International Airport (HDY), Hat Yai, Songkhla Province, Thailand and St. Gallen–Altenrhein Airport (ACH), Altenrhein, Switzerland would travel a Great Circle distance of 5,904 miles (or 9,502 kilometers).
A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Hat Yai International Airport and St. Gallen–Altenrhein Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Hat Yai International Airport and St. Gallen–Altenrhein Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | HDY / VTSS |
Airport Names: |
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Location: | Hat Yai, Songkhla Province, Thailand |
GPS Coordinates: | 6°55'59"N by 100°23'34"E |
Operator/Owner: | Airports of Thailand |
Airport Type: | Public |
Elevation: | 90 feet (27 meters) |
# of Runways: | 1 |
View all routes: | Routes from HDY |
More Information: | HDY Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | ACH / LSZR |
Airport Names: |
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Location: | Altenrhein, Switzerland |
GPS Coordinates: | 47°29'7"N by 9°33'39"E |
Area Served: | St. Gallen, Switzerland and Lake Constance |
Elevation: | 1306 feet (398 meters) |
# of Runways: | 2 |
View all routes: | Routes from ACH |
More Information: | ACH Maps & Info |
Facts about Hat Yai International Airport (HDY):
- In addition to being known as "Hat Yai International Airport", another name for HDY is "ท่าอากาศยานหาดใหญ่".
- There are seven taxiways and an apron area of 56,461 m².
- Hat Yai International Airport handled 2,465,370 passengers last year.
- The furthest airport from Hat Yai International Airport (HDY) is Cap. FAP José A. Quiñones González International Airport (CIX), which is nearly antipodal to Hat Yai International Airport (meaning Hat Yai International Airport is almost on the exact opposite side of the Earth from Cap. FAP José A. Quiñones González International Airport), and is located 12,419 miles (19,986 kilometers) away in Chiclayo, Peru.
- Hat Yai International Airport is the major southern hub airport in Thailand, located near the city of Hat Yai.
- Hat Yai International Airport (HDY) currently has only 1 runway.
- Because of Hat Yai International Airport's relatively low elevation of 90 feet, planes can take off or land at Hat Yai International Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
- The closest airport to Hat Yai International Airport (HDY) is Sultan Abdul Halim Airport (AOR), which is located 51 miles (82 kilometers) S of HDY.
Facts about St. Gallen–Altenrhein Airport (ACH):
- The paved, eastbound runway 10 is equipped with an Instrument landing system.
- The closest airport to St. Gallen–Altenrhein Airport (ACH) is Hohenems-Dornbirn Airport (HOH), which is located only 10 miles (15 kilometers) SE of ACH.
- The furthest airport from St. Gallen–Altenrhein Airport (ACH) is Chatham Islands (CHT), which is nearly antipodal to St. Gallen–Altenrhein Airport (meaning St. Gallen–Altenrhein Airport is almost on the exact opposite side of the Earth from Chatham Islands), and is located 12,051 miles (19,394 kilometers) away in Waitangi, Chatham Islands, New Zealand.
- In addition to being known as "St. Gallen–Altenrhein Airport", another name for ACH is "People's Business Airport".
- St. Gallen–Altenrhein Airport (ACH) has 2 runways.