AirportsSidney - Richland Regional Airport is a medium-sized airport serving Sidney, in Montana, United States. It has scheduled airline flights. Its IATA code, the three letters printed on tickets and baggage tags, is SDY.
Key facts
- IATA code
- SDY
- ICAO code
- KSDY
- City
- Sidney
- State or region
- Montana
- Country
- United States
- Kind
- Medium airport
- Coordinates
- 47.7051° N, 104.1944° W
- Elevation
- 605 m (1,985 ft)
- Runways
- 2
- Longest runway
- 1,739 m (5,705 ft)
Airport codes
On a ticket or a baggage tag, SDY means Sidney - Richland Regional Airport. Pilots and air traffic controllers use a different, four-letter ICAO code: KSDY. ICAO codes that begin with K belong to the mainland United States. How the two kinds of code differ.
Where it is
The airport lies at 47.7051° N, 104.1944° W. It stands 605 metres (1,985 feet) above sea level. The nearest town in our data is Williston, about 65 km away in a straight line.
Local time
Time now at the airport: loading
Time zone America/Chicago, taken from the nearest town in the data. Flight times on tickets are always in the local time of each airport.
Runways
Sidney - Richland Regional Airport has 2 runways in the data. The longest is 1,739 metres (5,705 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 454.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 01/19 | 1,739 m 5,705 ft | 30 m | Asphalt | Yes |
| 11/29 | 1,227 m 4,024 ft | 30 m | Asphalt | Yes |
The numbers in a runway name give its compass direction. How runway numbers work.
Nearest airports with scheduled flights
| Airport | Code | Distance |
|---|---|---|
| Williston Basin International AirportWilliston | XWA | 70 km |
| Dawson Community AirportGlendive | GDV | 78 km |
| L M Clayton AirportWolf Point | OLF | 112 km |
| Dickinson Theodore Roosevelt Regional AirportDickinson | DIK | 146 km |
| Glasgow Valley County Airport Wokal FieldGlasgow | GGW | 189 km |
Distance to major airports
| To | Distance | Rough flying time |
|---|---|---|
| Delhi (DEL)India | 11,534 km | 14 h 25 min |
| Mumbai (BOM)India | 12,582 km | 15 h 40 min |
| Dubai (DXB)United Arab Emirates | 11,649 km | 14 h 30 min |
| London Heathrow (LHR)United Kingdom | 6,824 km | 8 h 45 min |
| New York JFK (JFK)United States | 2,531 km | 3 h 35 min |
| Los Angeles (LAX)United States | 1,936 km | 2 h 50 min |
| Singapore (SIN)Singapore | 13,915 km | 17 h 15 min |
| Tokyo Haneda (HND)Japan | 8,790 km | 11 h 05 min |
| Sydney (SYD)Australia | 13,749 km | 17 h 05 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.