Nonstop flight route between Boise, Idaho, United States and St Athan, Wales, United Kingdom:
Departure Airport:
Arrival Airport:
Distance from BOI to DGX:
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- About this route
 - BOI Airport Information
 - DGX Airport Information
 - Facts about BOI
 - Facts about DGX
 - Map of Nearest Airports to BOI
 - List of Nearest Airports to BOI
 - Map of Furthest Airports from BOI
 - List of Furthest Airports from BOI
 - 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 Boise Airport (BOI), Boise, Idaho, United States and MoD St Athan (DGX), St Athan, Wales, United Kingdom would travel a Great Circle distance of 4,745 miles (or 7,637 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 Boise 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 Boise 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: | BOI / KBOI | 
| Airport Names: | 
                    
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| Location: | Boise, Idaho, United States | 
| GPS Coordinates: | 43°33'51"N by 116°13'22"W | 
| Area Served: | Boise, Idaho | 
| Airport Type: | Public | 
| Elevation: | 2871 feet (875 meters) | 
| # of Runways: | 3 | 
| View all routes: | Routes from BOI | 
| More Information: | BOI 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 Boise Airport (BOI):
- In addition to being known as "Boise Airport", other names for BOI include "Boise Air Terminal" and "Gowen Field".
 - In addition to being a commercial and general aviation airport, Boise also sees use by the Idaho Air National Guard on the Gowen Field Air National Guard Base portion of the airport.
 - In 1926 the first municipal airport in Boise named Booth Field was built on a gravel bed where the Boise State University campus now stands.
 - The furthest airport from Boise Airport (BOI) is Tôlanaro Airport (FTU), which is located 10,843 miles (17,451 kilometers) away in Tôlanaro, Madagascar.
 - In addition to scheduled airlines, there are several charter companies that operate out of Boise.
 - Boise Airport (BOI) has 3 runways.
 - The field was named Gowen Field in 1941 on July 23, after 1st Lt.
 - The closest airport to Boise Airport (BOI) is Mountain Home Air Force Base (MUO), which is located 40 miles (64 kilometers) SSE of BOI.
 - The tower and TRACON opened September 16, 2013 and features updated electronics and equipment, including the STARS radar system.
 - In 2005 over 3 million passengers passed through the airport.
 
Facts about MoD St Athan (DGX):
- RAF St Athan has been used to house a number of army units throughout its life and, in 2003, the 1st Battalion, Welsh Guards moved from Aldershot to St Athan - the first time they have been based in Wales since they were formed in 1915.
 - The closest airport to MoD St Athan (DGX) is Cardiff Airport (CWL), which is located only 4 miles (6 kilometers) E of DGX.
 - 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.
 - During the 1960s, a driving school was established.
 - In March 2003 it was confirmed that a new hi-tech maintenance centre would be built, creating 3,300 jobs.
 - 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.
 - In March 2004, however, DARA announced the loss of 550 jobs at St Athan as part of streamlining to make DARA more efficient and better able to compete with the private sector for lucrative aircraft repair contracts, but also because they lost out to a direct RAF bid for a contract to upgrade the air force's fleet of ageing Harrier jump jet aircraft.
 - In 2009 building work was due to commence on a new defence training academy with its heart at St Athan.
 - The base has been home to the RAF No.
 - The training to be carried out at St Athan was to be specialist phase 2 and phase 3 engineering courses of the Royal Navy, Army and Royal Air Force.
 - MoD St Athan (DGX) currently has only 1 runway.
 
