Nonstop flight route between Boston, Massachusetts, United States and St Athan, Wales, United Kingdom:
Departure Airport:
 
    Arrival Airport:
 
    Distance from BOS to DGX:
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- About this route
- BOS Airport Information
- DGX Airport Information
- Facts about BOS
- Facts about DGX
- Map of Nearest Airports to BOS
- List of Nearest Airports to BOS
- Map of Furthest Airports from BOS
- List of Furthest Airports from BOS
- 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 Boston Logan International Airport (BOS), Boston, Massachusetts, United States and MoD St Athan (DGX), St Athan, Wales, United Kingdom would travel a Great Circle distance of 3,135 miles (or 5,045 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 Boston Logan International 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 Boston Logan International 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: | BOS / KBOS | 
| Airport Name: | Boston Logan International Airport | 
| Location: | Boston, Massachusetts, United States | 
| GPS Coordinates: | 42°21'47"N by 71°0'23"W | 
| Area Served: | Boston, Massachusetts, US | 
| Operator/Owner: | Massachusetts Port Authority (Massport) | 
| Airport Type: | Public | 
| Elevation: | 20 feet (6 meters) | 
| # of Runways: | 6 | 
| View all routes: | Routes from BOS | 
| More Information: | BOS 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 Boston Logan International Airport (BOS):
- Boston Logan International Airport handled 3,021,863 passengers last year.
- Logan has flights to the Azores and Cape Verde because they link Azores American and Cape Verdean American communities in Massachusetts and Rhode Island.
- The furthest airport from Boston Logan International Airport (BOS) is Margaret River Airport (MGV), which is located 11,767 miles (18,937 kilometers) away in Margaret River, Western Australia, Australia.
- The April 1957 Official Airline Guide shows 49 weekday departures on American, 31 Eastern, 25 Northeast, 8 United, 7 TWA domestic, 6 National, 6 Mohawk, 2 TCA and one Provincetown-Boston.
- After starting service to Logan in 2004, JetBlue Airways was a major operator at Logan Airport by 2008 and its largest carrier by 2011, with flights to cities throughout North America and the Caribbean.
- Boston Logan International Airport (BOS) has 6 runways.
- Runway 14/32, which officially opened to air traffic on November 23, 2006, is unidirectional.
- General Edward Lawrence Logan International Airport is an international airport located in the East Boston neighborhood of Boston, Massachusetts.
- Because of Boston Logan International Airport's relatively low elevation of 20 feet, planes can take off or land at Boston Logan International 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 closest airport to Boston Logan International Airport (BOS) is Norwood Memorial Airport (OWD), which is located only 15 miles (24 kilometers) SW of BOS.
Facts about MoD St Athan (DGX):
- MoD St Athan (DGX) currently has only 1 runway.
- MOD St Athan is a large Ministry of Defence unit near the village of St Athan in the Vale of Glamorgan, southern Wales.
- 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.
- In 2006, the Special Forces Support Group was raised at St Athan and the Welsh Guards returned to London.
- During the war a dummy airfield was built using wood and cardboard a few miles west of the original airfield and successful efforts were made to hide the proper field.
- The closest airport to MoD St Athan (DGX) is Cardiff Airport (CWL), which is located only 4 miles (6 kilometers) E of 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 last aircraft to be serviced at St Athan, a Vickers VC10, departed the site on 23 February 2012.
- 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.




