Medium airport · Alton/St Louis, United States
St Louis Regional Airport
St Louis Regional Airport is a medium airport serving Alton/St Louis, United States. Its IATA code is ALN. Its ICAO code is KALN. It has 2 runways, longest 8,099 ft (ASP). Elevation 544 ft.
No freely licensed photograph of this airport is in our library yet — rather than borrow a picture of somewhere else, this profile leads with its verified facts.
Airport facts
| Location | Alton/St Louis, United States |
|---|---|
| IATA code | ALN |
| ICAO code | KALN |
| Type | Medium airport |
| Runways | 2 runways, longest 8,099 ft (ASP) |
| Elevation | 544 ft |
| Coordinates | 38.8903° N, 90.0460° W |
Every fact above is taken from the sources listed below; anything no source states is left blank rather than guessed.
Landmarks near this airport
Famous landmarks close to St Louis Regional Airport, by straight-line distance — each link opens its profile on our sister site LandmarkProfiles.
- Gateway Arch · United States · 19.8 miles away
National parks near this airport
National parks close to St Louis Regional Airport, by straight-line distance — each link opens its profile on our sister site National Park Profiles.
- Bohm Woods Nature Preserve · United States · 6.0 miles away
- Edward "Ted" and Pat Jones-Confluence Point State Park · United States · 6.4 miles away
- Lewis and Clark State Historic Site · United States · 6.8 miles away
- Horseshoe Lake State Park · United States · 14.4 miles away
- Katy Trail State Park · United States · 15.4 miles away
- Gateway Arch National Park · United States · 19.6 miles away
Airports nearby
The closest airports in this library, by straight-line distance.
St. Louis Lambert International Airport
20.0 miles awaySt Louis Downtown Airport
22.9 miles awayScott AFB/Midamerica Airport
26.4 miles awayGreenville Airport
36.2 miles awaySpirit of St Louis Airport
36.3 miles awayMore airports in United States
More medium airports
Frequently asked questions
What is the airport code for St Louis Regional Airport?
St Louis Regional Airport — its IATA code is ALN and its ICAO code is KALN.
Where is St Louis Regional Airport located?
St Louis Regional Airport serves Alton/St Louis, United States. Its coordinates are 38.8903° N, 90.0460° W.
How high is St Louis Regional Airport?
St Louis Regional Airport sits at 544 feet above sea level.
Sources
- https://davidmegginson.github.io/ourairports-data/airports.csv#3374
- https://en.wikipedia.org/wiki/St._Louis_Regional_Airport
Page last updated 13 November 2026.