Nonstop flight route between Ruislip, England, United Kingdom and Barter Island, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from NHT to BTI:
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- About this route
- NHT Airport Information
- BTI Airport Information
- Facts about NHT
- Facts about BTI
- Map of Nearest Airports to NHT
- List of Nearest Airports to NHT
- Map of Furthest Airports from NHT
- List of Furthest Airports from NHT
- Map of Nearest Airports to BTI
- List of Nearest Airports to BTI
- Map of Furthest Airports from BTI
- List of Furthest Airports from BTI
About this route:
A direct, nonstop flight between RAF Northolt (NHT), Ruislip, England, United Kingdom and Barter Island LRRS Airport (BTI), Barter Island, Alaska, United States would travel a Great Circle distance of 3,830 miles (or 6,163 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 Northolt and Barter Island LRRS 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 Northolt and Barter Island LRRS Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | NHT / EGWU |
Airport Name: | RAF Northolt |
Location: | Ruislip, England, United Kingdom |
GPS Coordinates: | 51°33'11"N by 0°25'5"W |
Operator/Owner: | Ministry of Defence |
View all routes: | Routes from NHT |
More Information: | NHT Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | BTI / PABA |
Airport Names: |
|
Location: | Barter Island, Alaska, United States |
GPS Coordinates: | 70°8'2"N by 143°34'54"W |
Operator/Owner: | North Slope Borough |
Airport Type: | Public / Military |
Elevation: | 2 feet (1 meters) |
# of Runways: | 1 |
View all routes: | Routes from BTI |
More Information: | BTI Maps & Info |
Facts about RAF Northolt (NHT):
- The closest airport to RAF Northolt (NHT) is London Heathrow Airport (LHR), which is located only 6 miles (9 kilometers) SSW of NHT.
- Since 1 June 1998, station commanders have served as aides-de-camp to Her Majesty the Queen.
- On 1 June 1960, an Avro Anson aircraft suffered engine failure soon after take-off from Northolt and crash-landed on top of the nearby Express Dairies plant in South Ruislip.
- Following Louis Blériot's first flight across the English Channel in 1909, the British Army considered the necessity of defending the United Kingdom from a future air attack.
- The furthest airport from RAF Northolt (NHT) is Chatham Islands (CHT), which is located 11,871 miles (19,105 kilometers) away in Waitangi, Chatham Islands, New Zealand.
- On 15 September 1940 during the Battle of Britain, No. 1 Squadron RCAF, No. 229 Squadron, No.
Facts about Barter Island LRRS Airport (BTI):
- Barter Island controlled nine manned stations, four of them being classified as "auxiliary" sites and five "intermediate" stations.
- The furthest airport from Barter Island LRRS Airport (BTI) is Teniente Rodolfo Marsh Airport (TNM), which is located 10,003 miles (16,099 kilometers) away in Villa Las Estrellas, Antarctica.
- The closest airport to Barter Island LRRS Airport (BTI) is Deadhorse Airport (SCC), which is located 115 miles (184 kilometers) W of BTI.
- Barter Island LRRS Airport (BTI) currently has only 1 runway.
- Because of Barter Island LRRS Airport's relatively low elevation of 2 feet, planes can take off or land at Barter Island LRRS 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.
- In addition to being known as "Barter Island LRRS Airport", another name for BTI is "Barter Island LRRS BAR-MAIN".
- The original runway was built by the United States military in 1947.