Nonstop flight route between Ruislip, England, United Kingdom and Williston, North Dakota, United States:
Departure Airport:

Arrival Airport:

Distance from NHT to ISN:
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- About this route
- NHT Airport Information
- ISN Airport Information
- Facts about NHT
- Facts about ISN
- 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 ISN
- List of Nearest Airports to ISN
- Map of Furthest Airports from ISN
- List of Furthest Airports from ISN
About this route:
A direct, nonstop flight between RAF Northolt (NHT), Ruislip, England, United Kingdom and Sloulin Field International Airport (ISN), Williston, North Dakota, United States would travel a Great Circle distance of 4,197 miles (or 6,754 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 Sloulin Field 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 Northolt and Sloulin Field 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: | 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: | ISN / KISN |
Airport Name: | Sloulin Field International Airport |
Location: | Williston, North Dakota, United States |
GPS Coordinates: | 48°10'41"N by 103°38'31"W |
Area Served: | Williston, North Dakota |
Operator/Owner: | City of Williston |
Airport Type: | Public |
Elevation: | 1982 feet (604 meters) |
# of Runways: | 2 |
View all routes: | Routes from ISN |
More Information: | ISN Maps & Info |
Facts about RAF Northolt (NHT):
- 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.
- The closest airport to RAF Northolt (NHT) is London Heathrow Airport (LHR), which is located only 6 miles (9 kilometers) SSW of NHT.
- Civil flights ceased when the central area at Heathrow opened in 1954 with Northolt reverting to sole military use in May that year.
- 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.
- Four Eurofighter Typhoon aircraft arrived at the station from RAF Coningsby on 2 May 2012 to take part in a security exercise as part of preparations for the 2012 Summer Olympics.
- Northolt became an active base during the Second World War for Royal Air Force and Polish Air Force squadrons in their defence of the United Kingdom.
- Squadrons based at RAF Northolt during the battle shot down a total of 148 Luftwaffe aircraft and damaged 52.
- Much media attention focused on the airfield when the body of Diana, Princess of Wales, arrived there from Villacoublay airfield, in Paris, France, after her death in a car crash in the city on 31 August 1997.
Facts about Sloulin Field International Airport (ISN):
- The furthest airport from Sloulin Field International Airport (ISN) is Sir Gaëtan Duval Airport (RRG), which is located 10,343 miles (16,646 kilometers) away in Rodrigues Island, Mauritius.
- Sloulin Field International Airport is a public use airport serving Williston, a city in Williams County, North Dakota, United States.
- Sloulin Field International Airport (ISN) has 2 runways.
- ISN is mostly used for general aviation but is served by United Express, with three flights a day with service to Denver, and Delta Connection, with three flights a day with service to Minneapolis-St.
- The closest airport to Sloulin Field International Airport (ISN) is Sidney-Richland Municipal Airport (SDY), which is located 41 miles (67 kilometers) SW of ISN.