Nonstop flight route between Philadelphia, Pennsylvania, United States and Den Helder, Netherlands:

About this route:

A direct, nonstop flight between Philadelphia International Airport (PHL), Philadelphia, Pennsylvania, United States and De Kooy Airfield (DHR), Den Helder, Netherlands would travel a Great Circle distance of 3,712 miles (or 5,974 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 Philadelphia International Airport and De Kooy Airfield, 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 Philadelphia International Airport and De Kooy Airfield. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about Philadelphia International Airport (PHL):

• Because of Philadelphia International Airport's relatively low elevation of 36 feet, planes can take off or land at Philadelphia International 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 closest airport to Philadelphia International Airport (PHL) is Philadelphia Seaplane BaseChandler Field (PSQ), which is located only 3 miles (5 kilometers) WSW of PHL.
• Philadelphia International Airport has seven terminal buildings, which are divided into seven lettered concourses, which together contain 111 gates total.
• Terminal B/C modernization was completed in 1970, Terminal D opened in 1973 and Terminal E in 1977.
• The furthest airport from Philadelphia International Airport (PHL) is Margaret River Airport (MGV), which is located 11,734 miles (18,884 kilometers) away in Margaret River, Western Australia, Australia.
• In June 1943 I Fighter Command transferred jurisdiction of the airport to the Air Technical Service Command.
• Philadelphia International Airport (PHL) has 4 runways.
• Southwest Airlines, the fastest growing airline for several years after beginning service to PHL in 2004, worked with the city and the airport to expand and improve its facilities.

Facts about De Kooy Airfield (DHR):

• Most movements on the De Kooy are made by helicopters, bringing workers to and from offshore oilrigs and naval helicopters such as the Westland Lynx or NH90 of the Royal Netherlands Navy.
• De Kooy Airfield (DHR) currently has only 1 runway.
• The closest airport to De Kooy Airfield (DHR) is Amsterdam Airport Schiphol (AMS), which is located 43 miles (68 kilometers) S of DHR.
• The furthest airport from De Kooy Airfield (DHR) is Chatham Islands (CHT), which is located 11,805 miles (18,998 kilometers) away in Waitangi, Chatham Islands, New Zealand.
• In addition to being known as "De Kooy Airfield", other names for DHR include "Vliegveld De Kooy", "Den Helder Airport" and "Maritiem Vliegkamp De Kooy".
• Because of De Kooy Airfield's relatively low elevation of 4 feet, planes can take off or land at De Kooy Airfield 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.