Nonstop flight route between Somerset, Kentucky, United States and Arlington County, Virginia (near Washington, D.C.), United States:
Departure Airport:
Arrival Airport:
Distance from SME to DCA:
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- About this route
 - SME Airport Information
 - DCA Airport Information
 - Facts about SME
 - Facts about DCA
 - Map of Nearest Airports to SME
 - List of Nearest Airports to SME
 - Map of Furthest Airports from SME
 - List of Furthest Airports from SME
 - Map of Nearest Airports to DCA
 - List of Nearest Airports to DCA
 - Map of Furthest Airports from DCA
 - List of Furthest Airports from DCA
 
About this route:
A direct, nonstop flight between Lake Cumberland Regional Airport (SME), Somerset, Kentucky, United States and Ronald Reagan Washington National Airport (DCA), Arlington County, Virginia (near Washington, D.C.), United States would travel a Great Circle distance of 431 miles (or 694 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 Lake Cumberland Regional Airport and Ronald Reagan Washington National Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | SME / KSME | 
| Airport Name: | Lake Cumberland Regional Airport | 
| Location: | Somerset, Kentucky, United States | 
| GPS Coordinates: | 37°3'12"N by 84°36'56"W | 
| Area Served: | Somerset, Kentucky | 
| Operator/Owner: | Somerset-Pulaski County | 
| Airport Type: | Public | 
| Elevation: | 927 feet (283 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from SME | 
| More Information: | SME Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | DCA / KDCA | 
| Airport Name: | Ronald Reagan Washington National Airport | 
| Location: | Arlington County, Virginia (near Washington, D.C.), United States | 
| GPS Coordinates: | 38°51'7"N by 77°2'16"W | 
| Area Served: | Washington Metropolitan Area | 
| Operator/Owner: | Metropolitan Washington Airports Authority | 
| Airport Type: | Public | 
| Elevation: | 15 feet (5 meters) | 
| # of Runways: | 3 | 
| View all routes: | Routes from DCA | 
| More Information: | DCA Maps & Info | 
Facts about Lake Cumberland Regional Airport (SME):
- Lake Cumberland Regional Airport (SME) currently has only 1 runway.
 - Lake Cumberland Regional Airport covers an area of 288 acres at an elevation of 927 feet above mean sea level.
 - The closest airport to Lake Cumberland Regional Airport (SME) is London-Corbin Airport (LOZ), which is located 30 miles (48 kilometers) E of SME.
 - Because of Lake Cumberland Regional Airport's relatively low elevation of 927 feet, planes can take off or land at Lake Cumberland Regional 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.
 - Lake Cumberland Regional Airport is a public use airport located three nautical miles south of the central business district of Somerset, a city in Pulaski County, Kentucky, United States.
 - The furthest airport from Lake Cumberland Regional Airport (SME) is Margaret River Airport (MGV), which is located 11,309 miles (18,200 kilometers) away in Margaret River, Western Australia, Australia.
 
Facts about Ronald Reagan Washington National Airport (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.
 - Given Reagan National Airport's proximity to the city and high-security facilities, Reagan National has extra security precautions required by the Washington Air Defense Identification Zone that have been in place since the airport began operations.
 - Service to the airport's Metro station began in 1977.
 - In 1999, Senator John McCain of Arizona introduced legislation to remove the 1,250-statute-mile restriction, infuriating some local residents concerned about noise and traffic from increased service by larger, long-haul aircraft.
 - 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.
 - Reagan National only has United States immigration and customs facilities for corporate jet traffic.
 - 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.
 - Ronald Reagan Washington National Airport (DCA) has 3 runways.
 - 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.
 - The Washington National Airport Terminal and South Hangar Line were listed on the National Register of Historic Places in 1997.
 
