Nonstop flight route between Orchid Island, Taitung County, Taiwan and Sidney, Montana, United States:
Departure Airport:

Arrival Airport:

Distance from KYD to SDY:
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- About this route
- KYD Airport Information
- SDY Airport Information
- Facts about KYD
- Facts about SDY
- Map of Nearest Airports to KYD
- List of Nearest Airports to KYD
- Map of Furthest Airports from KYD
- List of Furthest Airports from KYD
- Map of Nearest Airports to SDY
- List of Nearest Airports to SDY
- Map of Furthest Airports from SDY
- List of Furthest Airports from SDY
About this route:
A direct, nonstop flight between Lanyu Airport (KYD), Orchid Island, Taitung County, Taiwan and Sidney-Richland Municipal Airport (SDY), Sidney, Montana, United States would travel a Great Circle distance of 6,847 miles (or 11,019 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 Lanyu Airport and Sidney-Richland Municipal 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 Lanyu Airport and Sidney-Richland Municipal Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | KYD / RCLY |
Airport Names: |
|
Location: | Orchid Island, Taitung County, Taiwan |
GPS Coordinates: | 22°1'45"N by 121°31'37"E |
Area Served: | Orchid Island |
Operator/Owner: | Civil Aeronautics Administration Ministry of National Defense |
Airport Type: | Public |
Elevation: | 44 feet (13 meters) |
# of Runways: | 1 |
View all routes: | Routes from KYD |
More Information: | KYD Maps & Info |
Arrival 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 |
Facts about Lanyu Airport (KYD):
- The closest airport to Lanyu Airport (KYD) is Lyudao Airport (Green Island Airport) (GNI), which is located 45 miles (72 kilometers) N of KYD.
- Because of Lanyu Airport's relatively low elevation of 44 feet, planes can take off or land at Lanyu Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
- The furthest airport from Lanyu Airport (KYD) is Dr. Luis María Argaña International Airport (ESG), which is nearly antipodal to Lanyu Airport (meaning Lanyu Airport is almost on the exact opposite side of the Earth from Dr. Luis María Argaña International Airport), and is located 12,299 miles (19,794 kilometers) away in Mariscal Estigarribia, Paraguay.
- Lanyu Airport (KYD) currently has only 1 runway.
- In addition to being known as "Lanyu Airport", other names for KYD include "蘭嶼航空站蘭嶼機場" and "Lányǔ HángkōngzhànLányǔ Jīchǎng".
Facts about Sidney-Richland Municipal Airport (SDY):
- Sidney-Richland Municipal Airport covers an area of 335 acres at an elevation of 1,985 feet above mean sea level.
- Sidney-Richland Municipal Airport (SDY) has 2 runways.
- 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.
- 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.