Nonstop flight route between Ruislip, England, United Kingdom and Selinsgrove, Pennsylvania, United States:
Departure Airport:

Arrival Airport:

Distance from NHT to SEG:
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- About this route
- NHT Airport Information
- SEG Airport Information
- Facts about NHT
- Facts about SEG
- 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 SEG
- List of Nearest Airports to SEG
- Map of Furthest Airports from SEG
- List of Furthest Airports from SEG
About this route:
A direct, nonstop flight between RAF Northolt (NHT), Ruislip, England, United Kingdom and Penn Valley Airport (SEG), Selinsgrove, Pennsylvania, United States would travel a Great Circle distance of 3,560 miles (or 5,729 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 Penn Valley 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 Penn Valley 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: | SEG / KSEG |
Airport Name: | Penn Valley Airport |
Location: | Selinsgrove, Pennsylvania, United States |
GPS Coordinates: | 40°49'15"N by 76°51'51"W |
Area Served: | Selinsgrove, Pennsylvania |
Operator/Owner: | Penn Valley Airport Authority |
Airport Type: | Public |
Elevation: | 463 feet (141 meters) |
# of Runways: | 1 |
View all routes: | Routes from SEG |
More Information: | SEG Maps & Info |
Facts about RAF Northolt (NHT):
- Construction of the new aerodrome, to be named "RFC Military School, Ruislip", began in January 1915.
- RAF Northolt became home to Prime Minister Winston Churchill's personal aircraft, a modified Douglas C-54 Skymaster, in June 1944.
- Since 1 June 1998, station commanders have served as aides-de-camp to Her Majesty the Queen.
- No. 600 Squadron and No.
- 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.
- 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.
- The closest airport to RAF Northolt (NHT) is London Heathrow Airport (LHR), which is located only 6 miles (9 kilometers) SSW of NHT.
Facts about Penn Valley Airport (SEG):
- Penn Valley Airport (SEG) currently has only 1 runway.
- The closest airport to Penn Valley Airport (SEG) is Williamsport Regional Airport (IPT), which is located 29 miles (47 kilometers) N of SEG.
- Because of Penn Valley Airport's relatively low elevation of 463 feet, planes can take off or land at Penn Valley 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.
- The furthest airport from Penn Valley Airport (SEG) is Margaret River Airport (MGV), which is located 11,627 miles (18,711 kilometers) away in Margaret River, Western Australia, Australia.