Nonstop flight route between Somerset, Kentucky, United States and St Athan, Wales, United Kingdom:
Departure Airport:
 
    Arrival Airport:
 
    Distance from SME to DGX:
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- About this route
- SME Airport Information
- DGX Airport Information
- Facts about SME
- Facts about DGX
- 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 DGX
- List of Nearest Airports to DGX
- Map of Furthest Airports from DGX
- List of Furthest Airports from DGX
About this route:
A direct, nonstop flight between Lake Cumberland Regional Airport (SME), Somerset, Kentucky, United States and MoD St Athan (DGX), St Athan, Wales, United Kingdom would travel a Great Circle distance of 3,926 miles (or 6,318 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 Lake Cumberland Regional Airport and MoD St Athan, 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 Lake Cumberland Regional Airport and MoD St Athan. You'll see that it will travel the same route of the red line on this map!
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: | DGX / EGDX | 
| Airport Name: | MoD St Athan | 
| Location: | St Athan, Wales, United Kingdom | 
| GPS Coordinates: | 51°24'16"N by 3°26'8"W | 
| Operator/Owner: | Ministry of Defence | 
| Airport Type: | Military | 
| Elevation: | 163 feet (50 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from DGX | 
| More Information: | DGX Maps & Info | 
Facts about Lake Cumberland Regional Airport (SME):
- Lake Cumberland Regional Airport (SME) currently has only 1 runway.
- 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.
- 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 currently does not have commercial service.
- The closest airport to Lake Cumberland Regional Airport (SME) is London-Corbin Airport (LOZ), which is located 30 miles (48 kilometers) E of SME.
- The airport was renamed in 2008.
Facts about MoD St Athan (DGX):
- Because of MoD St Athan's relatively low elevation of 163 feet, planes can take off or land at MoD St Athan 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 closest airport to MoD St Athan (DGX) is Cardiff Airport (CWL), which is located only 4 miles (6 kilometers) E of DGX.
- The station officially opened as RAF St Athan on 1 September 1938 and the first unit to take up residence was No 4 School of Technical Training.
- MoD St Athan (DGX) currently has only 1 runway.
- On 26 August 1993 an ATC civilian instructor was seriously injured and the RAF Volunteer Reserve pilot, Group Captain Roger Sweatman, was killed when their Chipmunk trainer, on an air experience flight, crashed after encountering difficulties during a simulated emergency low-height manoeuvre on take-off.
- The MOD later decided that DARA's 'Fast Jets' and 'Engines' businesses would close by April 2007, although the 'Large Aircraft' business would continue and, on 14 April 2005, the Project Red Dragon super-hangar opened and DARA moved its VC10 operations from its existing 'Twin Peaks' hangar into the new facility.
- The furthest airport from MoD St Athan (DGX) is Dunedin International Airport (DUD), which is located 11,960 miles (19,248 kilometers) away in Dunedin, Otago, New Zealand.




