Nonstop flight route between St Andrews, Scotland, United Kingdom and Harlingen, Texas, United States:
Departure Airport:

Arrival Airport:

Distance from ADX to HRL:
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- About this route
- ADX Airport Information
- HRL Airport Information
- Facts about ADX
- Facts about HRL
- Map of Nearest Airports to ADX
- List of Nearest Airports to ADX
- Map of Furthest Airports from ADX
- List of Furthest Airports from ADX
- Map of Nearest Airports to HRL
- List of Nearest Airports to HRL
- Map of Furthest Airports from HRL
- List of Furthest Airports from HRL
About this route:
A direct, nonstop flight between RAF Leuchars (ADX), St Andrews, Scotland, United Kingdom and Valley International Airport (HRL), Harlingen, Texas, United States would travel a Great Circle distance of 4,902 miles (or 7,888 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 RAF Leuchars and Valley International 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 RAF Leuchars and Valley International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | ADX / EGQL |
Airport Name: | RAF Leuchars |
Location: | St Andrews, Scotland, United Kingdom |
GPS Coordinates: | 56°22'23"N by 2°52'6"W |
Operator/Owner: | Ministry of Defence |
View all routes: | Routes from ADX |
More Information: | ADX Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | HRL / KHRL |
Airport Name: | Valley International Airport |
Location: | Harlingen, Texas, United States |
GPS Coordinates: | 26°13'37"N by 97°39'18"W |
Area Served: | Harlingen, Texas |
Operator/Owner: | City of Harlingen |
Airport Type: | Public |
Elevation: | 36 feet (11 meters) |
# of Runways: | 3 |
View all routes: | Routes from HRL |
More Information: | HRL Maps & Info |
Facts about RAF Leuchars (ADX):
- Leuchars remained an active Station to the end of the War, concentrating on anti-submarine and anti-shipping strikes.
- In 1954 the fixed wing aircraft had been joined by a flight of Bristol Sycamore helicopters for Search and Rescue duties.
- On 18 July 2011 Defence Secretary Liam Fox announced that RAF Leuchars would close, whilst RAF Lossiemouth in Moray would be spared as part of the Strategic Defence and Security Review.
- A third Panavia Tornado F3 Squadron, No.
- The closest airport to RAF Leuchars (ADX) is Dundee Airport (DND), which is located only 8 miles (13 kilometers) NW of ADX.
- As the Cold War reached its frostiest depths in the 1960s the development of long range aircraft allowed the Soviets regular incursion into British air space.
- Leuchars was home to the last squadron of Panavia Tornado F3s, No.
- The Phantoms of 43 Squadron and 111 Squadron were replaced by Tornado F3s during 1989-1990s.
- The furthest airport from RAF Leuchars (ADX) is Ryan's Creek Aerodrome (SZS), which is located 11,678 miles (18,793 kilometers) away in Stewart Island, New Zealand.
Facts about Valley International Airport (HRL):
- Valley International Airport (HRL) has 3 runways.
- Because of Valley International Airport's relatively low elevation of 36 feet, planes can take off or land at Valley 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 National Plan of Integrated Airport Systems for 2011–2015 categorized it as a primary commercial service airport.Federal Aviation Administration records say the airport had 417,557 passenger boardings in calendar year 2008, 367,269 in 2009 and 373,438 in 2010.
- The furthest airport from Valley International Airport (HRL) is Sir Gaëtan Duval Airport (RRG), which is located 11,151 miles (17,946 kilometers) away in Rodrigues Island, Mauritius.
- The closest airport to Valley International Airport (HRL) is Brownsville/South Padre Island International Airport (BRO), which is located 26 miles (42 kilometers) SSE of HRL.
- Valley International Airport covers 2,428 acres at an elevation of 36 feet.