Nonstop flight route between Alton, Illinois, United States and St. Augustine, Florida, United States:
Departure Airport:

Arrival Airport:

Distance from ALN to UST:
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- About this route
- ALN Airport Information
- UST Airport Information
- Facts about ALN
- Facts about UST
- Map of Nearest Airports to ALN
- List of Nearest Airports to ALN
- Map of Furthest Airports from ALN
- List of Furthest Airports from ALN
- Map of Nearest Airports to UST
- List of Nearest Airports to UST
- Map of Furthest Airports from UST
- List of Furthest Airports from UST
About this route:
A direct, nonstop flight between St. Louis Regional Airport (ALN), Alton, Illinois, United States and Northeast Florida Regional Airport (UST), St. Augustine, Florida, United States would travel a Great Circle distance of 791 miles (or 1,273 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 relatively short distance between St. Louis Regional Airport and Northeast Florida Regional Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | ALN / KALN |
Airport Name: | St. Louis Regional Airport |
Location: | Alton, Illinois, United States |
GPS Coordinates: | 38°53'25"N by 90°2'45"W |
Area Served: | Alton, Illinois |
Operator/Owner: | St. Louis Regional |
Airport Type: | Public |
Elevation: | 544 feet (166 meters) |
# of Runways: | 2 |
View all routes: | Routes from ALN |
More Information: | ALN Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | UST / KSGJ |
Airport Names: |
|
Location: | St. Augustine, Florida, United States |
GPS Coordinates: | 29°57'33"N by 81°20'22"W |
Operator/Owner: | St. Augustine - St. Johns County Airport Authority |
Airport Type: | Public |
Elevation: | 10 feet (3 meters) |
# of Runways: | 6 |
View all routes: | Routes from UST |
More Information: | UST Maps & Info |
Facts about St. Louis Regional Airport (ALN):
- St. Louis Regional Airport (ALN) has 2 runways.
- The closest airport to St. Louis Regional Airport (ALN) is Lambert–St. Louis International Airport (STL), which is located only 20 miles (32 kilometers) WSW of ALN.
- The furthest airport from St. Louis Regional Airport (ALN) is Margaret River Airport (MGV), which is located 11,002 miles (17,706 kilometers) away in Margaret River, Western Australia, Australia.
- Because of St. Louis Regional Airport's relatively low elevation of 544 feet, planes can take off or land at St. Louis Regional 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.
- In the spring of 2004 the airport was at the center of a scandal.
Facts about Northeast Florida Regional Airport (UST):
- Through the 1980s and 1990s the airport has added over 100 hangars for single and twin-engine airplanes and currently has over 200 based aircraft.
- Northeast Florida Regional Airport (UST) has 6 runways.
- The closest airport to Northeast Florida Regional Airport (UST) is NAS Jacksonville (NIP), which is located 28 miles (45 kilometers) NW of UST.
- The furthest airport from Northeast Florida Regional Airport (UST) is Shark Bay Airport (MJK), which is located 11,485 miles (18,483 kilometers) away in Monkey Mia, Western Australia, Australia.
- Because of Northeast Florida Regional Airport's relatively low elevation of 10 feet, planes can take off or land at Northeast Florida Regional 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.
- Frontier Airlines began service to St.
- The Airport Authority staff currently numbers 11 employees tasked with administration and maintenance of the airport, while the airport's control tower was passed from a periodic operation by Northrop Grumman to a full-time operation as a Level I Air Traffic Control Tower under the auspices of the FAA's Contract Tower Program.
- In addition to being known as "Northeast Florida Regional Airport", another name for UST is "SGJ".
- In 1986 the airport was awarded Federal Aviation Regulations Part 139 certification by the Federal Aviation Administration, enabling the airport to operate scheduled and charter airline aircraft carrying more than 35 passengers.