Nonstop flight route between Siena, Italy and Redstone Arsenal (near Huntsville), Alabama, United States:
Departure Airport:
 
    Arrival Airport:
 
    Distance from SAY to HUA:
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- About this route
- SAY Airport Information
- HUA Airport Information
- Facts about SAY
- Facts about HUA
- Map of Nearest Airports to SAY
- List of Nearest Airports to SAY
- Map of Furthest Airports from SAY
- List of Furthest Airports from SAY
- Map of Nearest Airports to HUA
- List of Nearest Airports to HUA
- Map of Furthest Airports from HUA
- List of Furthest Airports from HUA
About this route:
A direct, nonstop flight between Siena-Ampugnano Airport (SAY), Siena, Italy and Redstone Army Airfield (AAF) (HUA), Redstone Arsenal (near Huntsville), Alabama, United States would travel a Great Circle distance of 4,982 miles (or 8,018 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 Siena-Ampugnano Airport and Redstone Army Airfield (AAF), 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 Siena-Ampugnano Airport and Redstone Army Airfield (AAF). You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | SAY / LIQS | 
| Airport Names: | 
 | 
| Location: | Siena, Italy | 
| GPS Coordinates: | 43°15'23"N by 11°15'18"E | 
| Area Served: | Siena, Tuscany, Italy | 
| Operator/Owner: | Aeroporto di Siena S.p.A. | 
| Airport Type: | Military / Public | 
| Elevation: | 634 feet (193 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from SAY | 
| More Information: | SAY Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | HUA / KHUA | 
| Airport Name: | Redstone Army Airfield (AAF) | 
| Location: | Redstone Arsenal (near Huntsville), Alabama, United States | 
| GPS Coordinates: | 34°40'42"N by 86°41'4"W | 
| Area Served: | Redstone Arsenal | 
| Operator/Owner: | United States Army | 
| Airport Type: | Military | 
| Elevation: | 685 feet (209 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from HUA | 
| More Information: | HUA Maps & Info | 
Facts about Siena-Ampugnano Airport (SAY):
- In addition to being known as "Siena-Ampugnano Airport", other names for SAY include "Aeroporto di Siena-Ampugnano" and "Siena-Ampugnano".
- During World War II, the facility was known as Malignano Airfield.
- The furthest airport from Siena-Ampugnano Airport (SAY) is Chatham Islands (CHT), which is nearly antipodal to Siena-Ampugnano Airport (meaning Siena-Ampugnano Airport is almost on the exact opposite side of the Earth from Chatham Islands), and is located 12,049 miles (19,391 kilometers) away in Waitangi, Chatham Islands, New Zealand.
- Because of Siena-Ampugnano Airport's relatively low elevation of 634 feet, planes can take off or land at Siena-Ampugnano 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 Siena-Ampugnano Airport (SAY) is Grosseto Airport (GRS), which is located 36 miles (57 kilometers) SSW of SAY.
- Siena-Ampugnano Airport handled 3,745 passengers last year.
- Siena-Ampugnano Airport (SAY) currently has only 1 runway.
- The airport resides at an elevation of 634 feet above mean sea level.
Facts about Redstone Army Airfield (AAF) (HUA):
- Redstone Army Airfield or Redstone AAF is a military airport located at Redstone Arsenal, six miles southwest of the city of Huntsville in Madison County, Alabama, USA.
- The closest airport to Redstone Army Airfield (AAF) (HUA) is Huntsville International Airport (HSV), which is located only 6 miles (9 kilometers) WSW of HUA.
- Because of Redstone Army Airfield (AAF)'s relatively low elevation of 685 feet, planes can take off or land at Redstone Army Airfield (AAF) 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 furthest airport from Redstone Army Airfield (AAF) (HUA) is Margaret River Airport (MGV), which is located 11,195 miles (18,016 kilometers) away in Margaret River, Western Australia, Australia.
- Redstone Army Airfield (AAF) (HUA) currently has only 1 runway.




