Nonstop flight route between Islip, New York, United States and Sidney, Montana, United States:
Departure Airport:

Arrival Airport:

Distance from ISP to SDY:
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- About this route
- ISP Airport Information
- SDY Airport Information
- Facts about ISP
- Facts about SDY
- Map of Nearest Airports to ISP
- List of Nearest Airports to ISP
- Map of Furthest Airports from ISP
- List of Furthest Airports from ISP
- 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 Long Island MacArthur Airport (ISP), Islip, New York, United States and Sidney-Richland Municipal Airport (SDY), Sidney, Montana, United States would travel a Great Circle distance of 1,599 miles (or 2,573 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 Long Island MacArthur Airport and Sidney-Richland Municipal Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | ISP / KISP |
Airport Name: | Long Island MacArthur Airport |
Location: | Islip, New York, United States |
GPS Coordinates: | 40°47'43"N by 73°6'1"W |
Area Served: | Long Island, New York metro area |
Airport Type: | Public |
Elevation: | 99 feet (30 meters) |
# of Runways: | 4 |
View all routes: | Routes from ISP |
More Information: | ISP 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 Long Island MacArthur Airport (ISP):
- Continental Express and Continental Connection had non-stops to Albany and to Cleveland but ended them in 2005.
- It is also home to Civil Air Patrol's Long Island Group's Suffolk Cadet Sqdn 10.
- While no further expansion is planned for the interior of the terminal building, other projects are underway.
- Following the September 11, 2001 attacks MacArthur Airport saw a 25 percent drop in passenger traffic but rebounded until 2006 when numbers began to drop again.
- Because of Long Island MacArthur Airport's relatively low elevation of 99 feet, planes can take off or land at Long Island MacArthur 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.
- During 2007 the airport served more than 2.3 million commercial passengers.
- The Suffolk County Police Aviation Section has a Law Enforcement and MEDEVAC helicopter based at MacArthur Airport.
- The closest airport to Long Island MacArthur Airport (ISP) is Long Island MacArthur Airport (HAP), which is located only 0 mile (0 kilometer) N of ISP.
- Long Island MacArthur Airport (ISP) has 4 runways.
- The furthest airport from Long Island MacArthur Airport (ISP) is Margaret River Airport (MGV), which is located 11,783 miles (18,963 kilometers) away in Margaret River, Western Australia, Australia.
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.
- 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 (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.