United States · Medium airport
St Louis Regional Airport
IATA ALN · ICAO KALN
Airport
- Location
- Alton/St Louis, United States
- Airport type
- Medium airport
- Scheduled service
- No
- Coordinates
- 38.8903° N, 90.046° W
- Elevation
- 544 ft
Open runways
- Open runways
- 2
- Longest runway
- 8,099 ft
- Source record last refreshed
- Oct 10, 2026, 03:30 UTC
This profile is an airport reference page. It does not show live arrivals, departures, aircraft positions, or operational advisories.
Nearby seaports
Distance is derived from the airport and seaport reference coordinates; it indicates geographic proximity, not a travel route.
- Bunker Hill (USZBA)17.9 km
- Granite City (USGZI)20.2 km
Source and coverage
Airport reference fields are from OurAirports, which dedicates its data to the public domain. Records are refreshed from its published dataset. Availability and accuracy are not guaranteed by the source. OurAirports.