Nonstop flight route between St Athan, Wales, United Kingdom and Dalhart, Texas, United States:
Departure Airport:

Arrival Airport:

Distance from DGX to DHT:
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- About this route
- DGX Airport Information
- DHT Airport Information
- Facts about DGX
- Facts about DHT
- Map of Nearest Airports to DGX
- List of Nearest Airports to DGX
- Map of Furthest Airports from DGX
- List of Furthest Airports from DGX
- Map of Nearest Airports to DHT
- List of Nearest Airports to DHT
- Map of Furthest Airports from DHT
- List of Furthest Airports from DHT
About this route:
A direct, nonstop flight between MoD St Athan (DGX), St Athan, Wales, United Kingdom and Dalhart Municipal Airport (DHT), Dalhart, Texas, United States would travel a Great Circle distance of 4,676 miles (or 7,526 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 MoD St Athan and Dalhart Municipal Airport, 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 MoD St Athan and Dalhart Municipal Airport. You'll see that it will travel the same route of the red line on this map!
Departure 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 |
Arrival Airport Information:
IATA / ICAO Codes: | DHT / KDHT |
Airport Name: | Dalhart Municipal Airport |
Location: | Dalhart, Texas, United States |
GPS Coordinates: | 36°1'21"N by 102°32'49"W |
Operator/Owner: | City of Dalhart |
Airport Type: | Public |
Elevation: | 3991 feet (1,216 meters) |
# of Runways: | 2 |
View all routes: | Routes from DHT |
More Information: | DHT Maps & Info |
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.
- The MOD continued to negotiate the project with the Metrix Consortium, but the price rose several times, reaching £14 billion in mid-2009.
- MOD St Athan is a large Ministry of Defence unit near the village of St Athan in the Vale of Glamorgan, southern Wales.
- The closest airport to MoD St Athan (DGX) is Cardiff Airport (CWL), which is located only 4 miles (6 kilometers) E of DGX.
- The last aircraft to be serviced at St Athan, a Vickers VC10, departed the site on 23 February 2012.
- During the 1960s, a driving school was established.
- 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.
- MoD St Athan (DGX) currently has only 1 runway.
- Just before 1100 GMT on 11 February 2009, two Grob Tutor aircraft flying out of St Athan were involved in a mid-air collision in which two Air Training Corps cadets and their instructors, both RAF pilots, died.
Facts about Dalhart Municipal Airport (DHT):
- The closest airport to Dalhart Municipal Airport (DHT) is Clayton Municipal Airpark (CAO), which is located 45 miles (72 kilometers) NW of DHT.
- The furthest airport from Dalhart Municipal Airport (DHT) is Sir Gaëtan Duval Airport (RRG), which is located 11,025 miles (17,743 kilometers) away in Rodrigues Island, Mauritius.
- Dalhart Municipal Airport (DHT) has 2 runways.
- The airport is not served by any commercial airlines at this time.