Nonstop flight route between St Andrews, Scotland, United Kingdom and Diomede, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from ADX to DIO:
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- About this route
- ADX Airport Information
- DIO Airport Information
- Facts about ADX
- Facts about DIO
- 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 DIO
- List of Nearest Airports to DIO
- Map of Furthest Airports from DIO
- List of Furthest Airports from DIO
About this route:
A direct, nonstop flight between RAF Leuchars (ADX), St Andrews, Scotland, United Kingdom and Diomede Heliport (FAA: DM2) (DIO), Diomede, Alaska, United States would travel a Great Circle distance of 3,967 miles (or 6,384 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 Diomede Heliport (FAA: DM2), 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 Diomede Heliport (FAA: DM2). 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: | DIO / |
Airport Name: | Diomede Heliport (FAA: DM2) |
Location: | Diomede, Alaska, United States |
GPS Coordinates: | 65°45'29"N by 168°57'6"W |
Elevation: | 0 feet (0 meters) |
View all routes: | Routes from DIO |
More Information: | DIO Maps & Info |
Facts about RAF Leuchars (ADX):
- 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.
- The unit was formally named 'Royal Air Force Leuchars' in March 1920, but nevertheless retained its strong naval links.
- In 1935 Leuchars became home to Number 1 Flying Training School and ranges for practice bombing were established in Tentsmuir Forest.
- Approximately 45,000 people attended the 2010 show to see displays including the Red Arrows, Eurofighter Typhoon, and Battle of Britain Memorial Flight.
- Aviation at Leuchars dates back to 1911 with a balloon squadron of the Royal Engineers setting up a training camp in Tentsmuir Forest.
- The Phantoms of 43 Squadron and 111 Squadron were replaced by Tornado F3s during 1989-1990s.
- 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.
Facts about Diomede Heliport (FAA: DM2) (DIO):
- An electric system was built on the island in the 1970s and electricity is provided by city-operated Diomede Joint Utilities.
- Because of Diomede Heliport (FAA: DM2)'s relatively low elevation of 0 feet, planes can take off or land at Diomede Heliport (FAA: DM2) 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 furthest airport from Diomede Heliport (FAA: DM2) (DIO) is Teniente Rodolfo Marsh Airport (TNM), which is located 10,411 miles (16,755 kilometers) away in Villa Las Estrellas, Antarctica.
- The closest airport to Diomede Heliport (FAA: DM2) (DIO) is Wales Airport (WAA), which is located 26 miles (42 kilometers) ESE of DIO.
- Funds for improving the water system have been requested both by the city and the school.
- According to traveler John Muir, on his visit to Diomede Islands in 1880s they found the natives eager to trade away everything they had.
- The United States purchased Alaska from Russia in 1867 which included the Little Diomede.
- The school year 1953–1954 in Little Diomede Island was adapted to better serve the local needs.
- On 7 November 2009, it was announced that one inhabitant was infected with H1N1 swine flu.