Nonstop flight route between Ruislip, England, United Kingdom and Montague, California, United States:
Departure Airport:

Arrival Airport:

Distance from NHT to SIY:
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- About this route
- NHT Airport Information
- SIY Airport Information
- Facts about NHT
- Facts about SIY
- 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 SIY
- List of Nearest Airports to SIY
- Map of Furthest Airports from SIY
- List of Furthest Airports from SIY
About this route:
A direct, nonstop flight between RAF Northolt (NHT), Ruislip, England, United Kingdom and Siskiyou County Airport (SIY), Montague, California, United States would travel a Great Circle distance of 5,112 miles (or 8,227 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 Siskiyou County 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 Siskiyou County 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: | SIY / KSIY |
Airport Names: |
|
Location: | Montague, California, United States |
GPS Coordinates: | 41°46'53"N by 122°28'5"W |
Operator/Owner: | Siskiyou County |
Airport Type: | Public |
Elevation: | 2648 feet (807 meters) |
# of Runways: | 1 |
View all routes: | Routes from SIY |
More Information: | SIY Maps & Info |
Facts about RAF Northolt (NHT):
- 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.
- Since 1 June 1998, station commanders have served as aides-de-camp to Her Majesty the Queen.
- 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.
- The closest airport to RAF Northolt (NHT) is London Heathrow Airport (LHR), which is located only 6 miles (9 kilometers) SSW of NHT.
- In August 1996, a Spanish Learjet operated by Mar Aviation overshot runway 25 and collided with a van heading eastward on the A40 Western Avenue.
- In 1943, the station became the first to fly sorties using Supermarine Spitfire Mk IXs in German airspace in support of bomber operations.
- 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.
Facts about Siskiyou County Airport (SIY):
- The Army Air Forces and the U.S.
- The furthest airport from Siskiyou County Airport (SIY) is Tôlanaro Airport (FTU), which is located 11,131 miles (17,914 kilometers) away in Tôlanaro, Madagascar.
- By 15 January 1964, these squadrons were replaced by the 82d Fighter-Interceptor Squadron from Travis AFB.
- The closest airport to Siskiyou County Airport (SIY) is Montague Airport-Yreka Rohrer Field (RKC), which is located only 5 miles (9 kilometers) SW of SIY.
- In addition to being known as "Siskiyou County Airport", other names for SIY include "Siskiyou County Air Force Auxiliary Airfield" and "Siskiyou County Army Air Field".
- Siskiyou County Airport (SIY) currently has only 1 runway.