Sidney - Richland Regional Airport is a medium-sized airport serving Sidney, United States. Its IATA code is SDY and its ICAO code is KSDY. The airport lies at an elevation of 1,985 ft (605 m) above sea level. It has 2 runway(s); the longest is 01/19, 5,705 ft (1,739 m) long. Local time follows the America/Denver time zone.
Key facts
- IATA code
- SDY
- ICAO code
- KSDY
- Airport type
- Medium airport
- Elevation
- 1,985 ft (605 m)
- Coordinates
- 47.7051, -104.1944
- Time zone
- America/Denver
- Local time now
- —
- Scheduled service
- Yes
Location
Runways
| Runway | Length | Width | Surface | Lighted |
|---|---|---|---|---|
| 01/19 | 5,705 ft · 1,739 m | 100 ft · 30 m | Asphalt | Yes |
| 11/29 | 4,024 ft · 1,227 m | 100 ft · 30 m | Asphalt | Yes |
Nearest airports
Airports with scheduled service closest to Sidney - Richland Regional Airport, by great-circle distance.
| Airport | City | Distance |
|---|---|---|
| XWA Williston Basin International Airport | Williston, United States | 70 km · 43 mi |
| GDV Dawson Community Airport | Glendive, United States | 78 km · 48 mi |
| OLF L M Clayton Airport | Wolf Point, United States | 112 km · 70 mi |
| DIK Dickinson Theodore Roosevelt Regional Airport | Dickinson, United States | 146 km · 91 mi |
| GGW Glasgow Valley County Airport Wokal Field | Glasgow, United States | 189 km · 117 mi |
| GCC Northeast Wyoming Regional Airport | Gillette, United States | 387 km · 240 mi |
| SHR Sheridan County Airport | Sheridan, United States | 390 km · 242 mi |
| RAP Rapid City Regional Airport | Rapid City, United States | 416 km · 258 mi |
Distances to major hubs
Great-circle distances from SDY. These are geographic distances, not a list of operated flights.
| Airport | km | mi | NM | |
|---|---|---|---|---|
| LAX Los Angeles | 1,936 | 1,203 | 1,045 | View route |
| ATL Atlanta | 2,274 | 1,413 | 1,228 | View route |
| JFK New York | 2,531 | 1,573 | 1,367 | View route |
| MEX Mexico City | 3,177 | 1,974 | 1,716 | View route |
| LHR London | 6,824 | 4,240 | 3,685 | View route |
| CDG Paris (Roissy-en-France, Val-d'Oise) | 7,168 | 4,454 | 3,870 | View route |
| FRA Frankfurt am Main | 7,388 | 4,591 | 3,989 | View route |
| HND Tokyo | 8,790 | 5,462 | 4,746 | View route |
| IST Istanbul | 9,090 | 5,648 | 4,908 | View route |
| PEK Beijing | 9,457 | 5,876 | 5,106 | View route |
| GRU São Paulo | 9,781 | 6,078 | 5,281 | View route |
| DEL New Delhi | 11,534 | 7,167 | 6,228 | View route |
| DXB Dubai | 11,649 | 7,238 | 6,290 | View route |
| SYD Sydney (Mascot) | 13,749 | 8,543 | 7,424 | View route |
| SIN Singapore | 13,915 | 8,646 | 7,513 | View route |
| JNB Johannesburg | 15,254 | 9,479 | 8,237 | View route |
Radio frequencies
Not for navigation. Always use official, current aeronautical publications.
| Type | Description | MHz |
|---|---|---|
| AWOS | AWOS 3 | 119.275 |
| RDO | GREAT FALLS RDO | 123.650 |
| UNIC | CTAF/UNICOM | 122.800 |
External links
External links come from the source dataset and are not independently verified by FlyingWorld.
Frequently asked questions
What is the airport code of Sidney - Richland Regional Airport?
The IATA code of Sidney - Richland Regional Airport is SDY and its ICAO code is KSDY.
Where is Sidney - Richland Regional Airport located?
Sidney - Richland Regional Airport is in Sidney, Montana, United States, at 47.7051, -104.1944.
What time zone is Sidney - Richland Regional Airport in?
Sidney - Richland Regional Airport uses the IANA time zone America/Denver. Daylight saving time, where applicable, is applied automatically by the clock on this page.
How long is the longest runway at Sidney - Richland Regional Airport?
The longest runway listed is 01/19, 5,705 ft (1,739 m) long.
What is the nearest airport to Sidney - Richland Regional Airport?
The nearest airport with scheduled service in our directory is Williston Basin International Airport (XWA), about 70 km (43 mi) away.
Source: OurAirports (data updated: 9 November 2026). Not for navigation. Always use official, current aeronautical publications.