Nonstop flight route between Sidney, Montana, United States and Abilene, Texas, United States:
Departure Airport:

Arrival Airport:

Distance from SDY to DYS:
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- About this route
- SDY Airport Information
- DYS Airport Information
- Facts about SDY
- Facts about DYS
- Map of Nearest Airports to SDY
- List of Nearest Airports to SDY
- Map of Furthest Airports from SDY
- List of Furthest Airports from SDY
- Map of Nearest Airports to DYS
- List of Nearest Airports to DYS
- Map of Furthest Airports from DYS
- List of Furthest Airports from DYS
About this route:
A direct, nonstop flight between Sidney-Richland Municipal Airport (SDY), Sidney, Montana, United States and Dyess Air Force Base (DYS), Abilene, Texas, United States would travel a Great Circle distance of 1,080 miles (or 1,739 kilometers).
A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the relatively short distance between Sidney-Richland Municipal Airport and Dyess Air Force Base, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | SDY / KSDY |
Airport Name: | Sidney-Richland Municipal Airport |
Location: | Sidney, Montana, United States |
GPS Coordinates: | 47°42'24"N by 104°11'32"W |
Area Served: | Sidney, Montana |
Operator/Owner: | Sidney Richland Airport Authority |
Airport Type: | Public |
Elevation: | 1985 feet (605 meters) |
# of Runways: | 2 |
View all routes: | Routes from SDY |
More Information: | SDY Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | DYS / KDYS |
Airport Names: |
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Location: | Abilene, Texas, United States |
GPS Coordinates: | 32°25'14"N by 99°51'16"W |
View all routes: | Routes from DYS |
More Information: | DYS Maps & Info |
Facts about Sidney-Richland Municipal Airport (SDY):
- Sidney-Richland Municipal Airport (SDY) has 2 runways.
- Scheduled air service temporarily ceased on March 8, 2008, when Big Sky Airlines ended operations in bankruptcy.
- The furthest airport from Sidney-Richland Municipal Airport (SDY) is Sir Gaëtan Duval Airport (RRG), which is located 10,383 miles (16,711 kilometers) away in Rodrigues Island, Mauritius.
- Sidney-Richland Municipal Airport is a public use airport located one nautical mile west of the central business district of Sidney, a city in Richland County, Montana, United States.
- Sidney-Richland Municipal Airport covers an area of 335 acres at an elevation of 1,985 feet above mean sea level.
- The closest airport to Sidney-Richland Municipal Airport (SDY) is Sloulin Field International Airport (ISN), which is located 41 miles (67 kilometers) NE of SDY.
Facts about Dyess Air Force Base (DYS):
- The base is named after Lt Col William Edwin Dyess, a native of Albany, Texas, who was captured by the Japanese on Bataan in April 1942.
- The base is located in the southwest corner of Abilene, TX and is about 200 miles west of Dallas.
- The furthest airport from Dyess Air Force Base (DYS) is Sir Gaëtan Duval Airport (RRG), which is located 11,080 miles (17,831 kilometers) away in Rodrigues Island, Mauritius.
- The closest airport to Dyess Air Force Base (DYS) is Abilene Regional Airport (ABI), which is located only 10 miles (16 kilometers) E of DYS.
- Units stationed at Dyess Air Force Base while the 5/517th was operational included SAC's 819th Strategic Aerospace Division, the 96th BW, and the 578th Strategic Missile Squadron.
- In addition to being known as "Dyess Air Force Base", another name for DYS is "Dyess AFB".
- On 1 December 1956, the name of the base was changed to "Dyess Air Force Base" in honor of the late Lt Col William E.