Nonstop flight route between Ruislip, England, United Kingdom and Montague, California, United States:
Departure Airport:
(51°33'11"N by 0°25'5"W)
Arrival Airport:
(41°46'53"N by 122°28'5"W)
Distance from NHT to SIY:
5,112.31 miles (8,227.44 km)
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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):
- The closest airport to RAF Northolt (NHT) is London Heathrow Airport (LHR), which is located only 6 miles (9 kilometers) SSW of NHT.
- In 1916, No. 43 Squadron was formed under the command of Major Sholto Douglas.
- During the construction of Heathrow Airport, Northolt was used for commercial civil flights, becoming the busiest airport in Europe for a time and a major base for British European Airways.
- 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.
- Squadrons based at RAF Northolt during the battle shot down a total of 148 Luftwaffe aircraft and damaged 52.
- 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.
- Construction of the new aerodrome, to be named "RFC Military School, Ruislip", began in January 1915.
- The overnight base of the London Air Ambulance moved to RAF Northolt from Denham Aerodrome in February 2013.
Facts about Siskiyou County Airport (SIY):
- By 15 January 1964, these squadrons were replaced by the 82d Fighter-Interceptor Squadron from Travis AFB.
- Siskiyou County Airport (SIY) currently has only 1 runway.
- 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.
- 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.
- 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".
- Following the initial military use, commercial operations of the airport continued.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 5.54 miles (8.91 km) SSW | London Heathrow Airport (LHR) | London, England, United Kingdom |     |
| 2 | 16.36 miles (26.33 km) NNE | Hatfield Aerodrome (HTF) | Hatfield, Hertfordshire, England, United Kingdom | |
| 3 | 18.69 miles (30.08 km) WNW | RAF High Wycombe (HYC) | High Wycombe, Buckinghamshire, England, United Kingdom | |
| 4 | 20.62 miles (33.19 km) E | London City Airport (LCY) | London, England, United Kingdom | |
| 5 | 22.33 miles (35.93 km) N | London Luton Airport (LTN) | Luton (near London), England, United Kingdom | |
| 6 | 24.34 miles (39.17 km) SW | Blackbushe Airport (BBS) | Yateley, Hampshire, England, United Kingdom | |
| 7 | 24.66 miles (39.68 km) SW | Farnborough Airport (FAB) | Farnborough, United Kingdom | |
| 8 | 24.75 miles (39.84 km) SE | London Biggin Hill Airport (BQH) | Biggin Hill / London, England, United Kingdom | |
| 9 | 26.37 miles (42.44 km) SSE | Redhill Aerodrome (KRH) | Redhill, Surrey, England, United Kingdom | |
| 10 | 29.41 miles (47.34 km) W | RAF Benson (BEX) | Benson, Oxfordshire, England, United Kingdom | |
| 11 | 29.66 miles (47.74 km) SSE | Gatwick Airport (LGW) | London, England, United Kingdom | |
| 12 | 31.57 miles (50.81 km) SW | RAF Odiham (ODH) | Odiham, United Kingdom | |
| 13 | 36.17 miles (58.21 km) NE | London Stansted Airport (STN) | Essex (near London), England, United Kingdom | |
| 14 | 36.65 miles (58.98 km) SW | Lasham Airfield (QLA) | Lasham, England, United Kingdom | |
| 15 | 36.68 miles (59.02 km) NNW | Milton Keynes Airport (KYN) | Milton Keynes, England, United Kingdom | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,871.18 miles (19,104.77 km) SSW | Chatham Islands (CHT) | Waitangi, Chatham Islands, New Zealand | |
| 2 | 11,859.82 miles (19,086.49 km) SE | Dunedin International Airport (DUD) | Dunedin, Otago, New Zealand | |
| 3 | 11,837.81 miles (19,051.06 km) SE | Oamaru Airport (OAM) | Oamaru, North Otago, New Zealand | |
| 4 | 11,828.15 miles (19,035.52 km) ESE | Ryan's Creek Aerodrome (SZS) | Stewart Island, New Zealand | |
| 5 | 11,815.57 miles (19,015.27 km) ESE | Invercargill Airport (IVC) | Invercargill, New Zealand | |
| 6 | 11,804.71 miles (18,997.79 km) SE | Richard Pearse Airport (Timaru Airport) (TIU) | Timaru, New Zealand | |
| 7 | 11,797.07 miles (18,985.49 km) SE | Ashburton Aerodrome (ASG) | Ashburton, New Zealand | |
| 8 | 11,796.47 miles (18,984.54 km) SE | Alexandra Aerodrome (ALR) | Alexandra, New Zealand | |
| 9 | 11,790.50 miles (18,974.92 km) SSE | Christchurch International Airport (CHC) | Christchurch, New Zealand | |
| 10 | 11,767.29 miles (18,937.57 km) SE | Wanaka Airport (WKA) | Wanaka, New Zealand | |
| 11 | 11,765.63 miles (18,934.90 km) SE | Queenstown Airport (ZQN) | Queenstown, New Zealand | |
| 12 | 11,750.82 miles (18,911.07 km) SE | Glentanner Aerodrome (GTN) | Mount Cook, New Zealand | |
| 13 | 11,746.58 miles (18,904.24 km) SSE | Kaikoura Aerodrome (KBZ) | Kaikoura, New Zealand | |
| 14 | 11,743.23 miles (18,898.85 km) SE | Mount Cook Airport (MON) | Mount Cook, New Zealand | |
| 15 | 11,722.72 miles (18,865.85 km) SE | Fox Glacier Aerodrome (FGL) | Fox Glacier, New Zealand | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 5.33 miles (8.58 km) SW | Montague Airport-Yreka Rohrer Field (RKC) | Montague, California, United States | |
| 2 | 45.78 miles (73.68 km) NE | Crater Lake- Klamath Regional Airport (LMT) | Klamath Falls, Oregon, United States | |
| 3 | 45.93 miles (73.92 km) NNW | Rogue Valley International–Medford Airport (MFR) | Medford, Oregon, United States | |
| 4 | 63.14 miles (101.61 km) NNE | Chiloquin State Airport (CHZ) | Chiloquin, Oregon, United States | |
| 5 | 88.39 miles (142.26 km) S | Redding Municipal AirportRedding Army Airfield (RDD) | Redding, California, United States | |
| 6 | 91.12 miles (146.64 km) W | Del Norte County Regional Airport (CEC) | Crescent City, California, United States | |
| 7 | 95.81 miles (154.20 km) WNW | Brookings Airport (BOK) | Brookings, Oregon, United States | |
| 8 | 101.56 miles (163.44 km) WSW | Arcata/Eureka Airport (ACV) | McKinleyville, California, United States | |
| 9 | 108.89 miles (175.23 km) SW | Murray Field (EKA) | Eureka, California, United States | |
| 10 | 109.46 miles (176.16 km) WNW | Gold Beach Municipal Airport (GOL) | Gold Beach, Oregon, United States | |
| 11 | 109.47 miles (176.17 km) ENE | Lake County Airport (LKV) | Lakeview, Oregon, United States | |
| 12 | 110.38 miles (177.64 km) NNW | Roseburg Regional Airport (RBG) | Roseburg, Oregon, United States | |
| 13 | 113.23 miles (182.22 km) S | Red Bluff Municipal Airport (RBL) | Red Bluff, California, United States | |
| 14 | 121.20 miles (195.05 km) SW | Rohnerville Airport (FOT) | Fortuna, California, United States | |
| 15 | 133.84 miles (215.39 km) NW | Bandon State Airport (BDY) | Bandon, Oregon, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,131.45 miles (17,914.28 km) SSE | Tôlanaro Airport (FTU) | Tôlanaro, Madagascar | |
| 2 | 11,047.56 miles (17,779.27 km) SE | Ampanihy Airport (AMP) | Ampanihy, Madagascar | |
| 3 | 11,017.86 miles (17,731.48 km) S | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 4 | 10,988.56 miles (17,684.33 km) S | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 5 | 10,961.53 miles (17,640.83 km) S | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 6 | 10,917.89 miles (17,570.60 km) SSE | Mananjary Airport (MNJ) | Mananjary, Madagascar | |
| 7 | 10,906.39 miles (17,552.09 km) SSE | Fianarantsoa Airport (WFI) | Fianarantsoa, Madagascar | |
| 8 | 10,877.23 miles (17,505.16 km) SSW | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 9 | 10,846.13 miles (17,455.11 km) SE | Andavadoaka Airport (DVD) | Andavadoaka, Toliara province, Atsimo-Andrefana region, Madagascar | |
| 10 | 10,833.60 miles (17,434.95 km) SSE | Manja Airport (MJA) | Manja, Menabe, Madagascar | |
| 11 | 10,827.42 miles (17,424.99 km) SE | Morombe Airport (MXM) | Morombe, Madagascar | |
| 12 | 10,755.45 miles (17,309.18 km) ESE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 13 | 10,752.16 miles (17,303.88 km) ESE | Richards Bay Airport (RCB) | Richards Bay, KwaZulu-Natal, South Africa | |
| 14 | 10,746.15 miles (17,294.22 km) SSE | Miandrivazo Airport (ZVA) | Miandrivazo, Madagascar | |
| 15 | 10,742.67 miles (17,288.60 km) ESE | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |