Nonstop flight route between Arlington County, Virginia (near Washington, D.C.), United States and Salem, Illinois, United States:

About this route:

A direct, nonstop flight between Ronald Reagan Washington National Airport (DCA), Arlington County, Virginia (near Washington, D.C.), United States and Salem–Leckrone Airport (SLO), Salem, Illinois, United States would travel a Great Circle distance of 642 miles (or 1,034 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 Ronald Reagan Washington National Airport and Salem–Leckrone Airport, the route shown on this map most likely still appears to be a straight line.

Departure Airport Information:

Arrival Airport Information:

Facts about Ronald Reagan Washington National Airport (DCA):

• In 1984 Secretary of Transportation Elizabeth Dole appointed a commission to study transferring National and Dulles Airports from the Federal Aviation Administration to a local entity, which could use airport revenues to finance improvements.
• The Washington National Airport Terminal and South Hangar Line were listed on the National Register of Historic Places in 1997.
• The closest airport to Ronald Reagan Washington National Airport (DCA) is Bolling Air Force Base (BOF), which is located only 1 miles (2 kilometers) ESE of DCA.
• Because of Ronald Reagan Washington National Airport's relatively low elevation of 15 feet, planes can take off or land at Ronald Reagan Washington National 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.
• After the attacks, the airport was closed for several weeks, and security was tightened when it reopened.
• Terminals B and C opened in 1997, replacing a collection of airline-specific terminals built during the 1960s.
• Until 1999, Runways 1/19 and 4/22 were designated 18/36 and 3/21.
• Other than 40 slot exemptions, flights into and out of DCA are not allowed to exceed 1,250 statute miles in any direction nonstop, in an effort to send air traffic to the larger but more distant Washington Dulles International Airport.
• Ronald Reagan Washington National Airport (DCA) has 3 runways.
• The furthest airport from Ronald Reagan Washington National Airport (DCA) is Margaret River Airport (MGV), which is located 11,682 miles (18,800 kilometers) away in Margaret River, Western Australia, Australia.
• On February 6, 1998 President Bill Clinton signed legislation changing the airport's name from Washington National Airport to Ronald Reagan Washington National Airport, to honor the former president on his 87th birthday.

Facts about Salem–Leckrone Airport (SLO):

• The closest airport to Salem–Leckrone Airport (SLO) is Mt. Vernon Airport (MVN), which is located 23 miles (37 kilometers) SSE of SLO.
• The furthest airport from Salem–Leckrone Airport (SLO) is Margaret River Airport (MGV), which is located 11,062 miles (17,802 kilometers) away in Margaret River, Western Australia, Australia.
• Because of Salem–Leckrone Airport's relatively low elevation of 573 feet, planes can take off or land at Salem–Leckrone 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.
• Salem–Leckrone Airport (SLO) currently has only 1 runway.
• Salem–Leckrone Airport is a public use airport located two nautical miles northwest of the central business district of Salem, a city in Marion County, Illinois, United States.