Nonstop flight route between Sidney, Montana, United States and Matsumoto, Nagano, Japan:
Departure Airport:

Arrival Airport:

Distance from SDY to MMJ:
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- About this route
- SDY Airport Information
- MMJ Airport Information
- Facts about SDY
- Facts about MMJ
- 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 MMJ
- List of Nearest Airports to MMJ
- Map of Furthest Airports from MMJ
- List of Furthest Airports from MMJ
About this route:
A direct, nonstop flight between Sidney-Richland Municipal Airport (SDY), Sidney, Montana, United States and Matsumoto Airport (MMJ), Matsumoto, Nagano, Japan would travel a Great Circle distance of 5,492 miles (or 8,839 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 large distance between Sidney-Richland Municipal Airport and Matsumoto Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Sidney-Richland Municipal Airport and Matsumoto Airport. You'll see that it will travel the same route of the red line on this map!
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: | MMJ / RJAF |
Airport Names: |
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Location: | Matsumoto, Nagano, Japan |
GPS Coordinates: | 36°10'0"N by 137°55'22"E |
Operator/Owner: | Nagano Prefecture |
Airport Type: | Public |
Elevation: | 2157 feet (657 meters) |
# of Runways: | 1 |
View all routes: | Routes from MMJ |
More Information: | MMJ Maps & Info |
Facts about Sidney-Richland Municipal Airport (SDY):
- 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 (SDY) has 2 runways.
- 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.
- Sidney-Richland Municipal Airport covers an area of 335 acres at an elevation of 1,985 feet above mean sea level.
Facts about Matsumoto Airport (MMJ):
- The furthest airport from Matsumoto Airport (MMJ) is Rio Grande Regional Airport (RIG), which is located 11,795 miles (18,982 kilometers) away in Rio Grande, Brazil.
- Matsumoto Airport (MMJ) currently has only 1 runway.
- The closest airport to Matsumoto Airport (MMJ) is Toyama Airport (TOY), which is located 53 miles (85 kilometers) NW of MMJ.
- In addition to being known as "Matsumoto Airport", another name for MMJ is "松本空港".