Nonstop flight route between Changi, Singapore and St Athan, Wales, United Kingdom:
Departure Airport:
 
    Arrival Airport:
 
    Distance from SIN to DGX:
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- About this route
- SIN Airport Information
- DGX Airport Information
- Facts about SIN
- Facts about DGX
- Map of Nearest Airports to SIN
- List of Nearest Airports to SIN
- Map of Furthest Airports from SIN
- List of Furthest Airports from SIN
- 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 Singapore Changi Airport (SIN), Changi, Singapore and MoD St Athan (DGX), St Athan, Wales, United Kingdom would travel a Great Circle distance of 6,888 miles (or 11,084 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 Singapore Changi 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 Singapore Changi 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: | SIN / WSSS | 
| Airport Names: | 
 | 
| Location: | Changi, Singapore | 
| GPS Coordinates: | 1°21'33"N by 103°59'21"E | 
| Area Served: | Singapore | 
| Operator/Owner: | Government of Singapore | 
| Airport Type: | Public / Military | 
| Elevation: | 22 feet (7 meters) | 
| # of Runways: | 3 | 
| View all routes: | Routes from SIN | 
| More Information: | SIN 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 Singapore Changi Airport (SIN):
- In addition to being known as "Singapore Changi Airport", other names for SIN include "Lapangan Terbang Antarabangsa Changi Singapura", "新加坡樟宜机场(Xīnjiāpō Zhāngyí Jīchǎng)" and "சிங்கப்பூர் சாங்கி விமானநிலையம் (Ciṅkappūr Cāṅki Vimana Nilaiyam)".
- In 2006, a short runway ) was opened for Changi Air Base on the site, an interim measure in preparation for its eventual expansion for passenger flights.
- The furthest airport from Singapore Changi Airport (SIN) is Francisco de Orellana Airport (OCC), which is nearly antipodal to Singapore Changi Airport (meaning Singapore Changi Airport is almost on the exact opposite side of the Earth from Francisco de Orellana Airport), and is located 12,345 miles (19,868 kilometers) away in Coca, Ecuador.
- Because of Singapore Changi Airport's relatively low elevation of 22 feet, planes can take off or land at Singapore Changi 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 Singapore Changi Airport (SIN) is Paya Lebar Air Base (PLAB) (QPG), which is located only 6 miles (9 kilometers) W of SIN.
- Announced on 19 August 2013 by Changi Airport Group, a new mixed-use complex will be developed on the car park site fronting Terminal 1 and will optimise the use of the 3.5-hectare plot of land.
- Singapore's International Airport at Paya Lebar, Singapore's third main civilian airport after Seletar Airport and Kallang Airport opened in 1955 with a single runway and a small passenger terminal.
- Despite the airport opening in 1981, some sections were not completed.
- Singapore Changi Airport (SIN) has 3 runways.
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.
- In March 2003 it was confirmed that a new hi-tech maintenance centre would be built, creating 3,300 jobs.
- 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.
- The last aircraft to be serviced at St Athan, a Vickers VC10, departed the site on 23 February 2012.
- RAF St Athan was also home for the Royal Air Force Administrative Apprentice Training School.
- 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.
- The two cadet passengers were cousins and were named as Katie Jo Davies, 15, and Nikitta Walters, 14.
- MoD St Athan (DGX) currently has only 1 runway.
- In 2006, the Special Forces Support Group was raised at St Athan and the Welsh Guards returned to London.
- The closest airport to MoD St Athan (DGX) is Cardiff Airport (CWL), which is located only 4 miles (6 kilometers) E of DGX.




