AirportsSt Mary's Airport is a small airport serving St Mary's, in Alaska, United States. It has scheduled airline flights. Its IATA code, the three letters printed on tickets and baggage tags, is KSM.
Key facts
- IATA code
- KSM
- ICAO code
- PASM
- City
- St Mary's
- State or region
- Alaska
- Country
- United States
- Kind
- Small airport
- Coordinates
- 62.0605° N, 163.3020° W
- Elevation
- 95 m (312 ft)
- Runways
- 2
- Longest runway
- 1,828 m (5,997 ft)
Airport codes
On a ticket or a baggage tag, KSM means St Mary's Airport. Pilots and air traffic controllers use a different, four-letter ICAO code: PASM. ICAO codes that begin with P belong to the North Pacific, including Alaska and Hawaii. How the two kinds of code differ.
Where it is
The airport lies at 62.0605° N, 163.3020° W. It stands 95 metres (312 feet) above sea level.
Runways
St Mary's Airport has 2 runways in the data. The longest is 1,828 metres (5,997 feet). That suits narrow-body jets and regional aircraft. Among the 675 airports of United States on this site with runway data, its longest runway ranks number 446.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 17/35 | 1,828 m 5,997 ft | 46 m | Gravel | Yes |
| 07/25 | 463 m 1,520 ft | 18 m | Gravel | Yes |
The numbers in a runway name give its compass direction. How runway numbers work.
Nearest airports with scheduled flights
| Airport | Code | Distance |
|---|---|---|
| Mountain Village AirportMountain Village | MOU | 20 km |
| Pilot Station AirportPilot Station | PQS | 22 km |
| Marshall Don Hunter Sr AirportMarshall | MLL | 70 km |
| Nunam Iqua AirportNunam Iqua | SXP | 95 km |
| Alakanuk AirportAlakanuk | AUK | 101 km |
Distance to major airports
| To | Distance | Rough flying time |
|---|---|---|
| Delhi (DEL)India | 8,601 km | 10 h 50 min |
| Mumbai (BOM)India | 9,737 km | 12 h 15 min |
| Dubai (DXB)United Arab Emirates | 9,714 km | 12 h 10 min |
| London Heathrow (LHR)United Kingdom | 7,300 km | 9 h 20 min |
| New York JFK (JFK)United States | 6,079 km | 7 h 50 min |
| Los Angeles (LAX)United States | 4,422 km | 5 h 50 min |
| Singapore (SIN)Singapore | 10,016 km | 12 h 35 min |
| Tokyo Haneda (HND)Japan | 4,870 km | 6 h 20 min |
| Sydney (SYD)Australia | 11,427 km | 14 h 15 min |
Distances are the shortest path over the globe, worked out from the coordinates. Flying times are rough estimates for a direct jet flight. They do not mean that a direct flight exists. Work out the distance to any airport.
Links
Airport data: OurAirports, as downloaded on 11 November 2026. This page does not show live flights, terminals or airlines. For those, use the airport's or the airline's own site. See About and data sources.