Nonstop flight route between Seward, Alaska, United States and Den Helder, Netherlands:

About this route:

A direct, nonstop flight between Seward Airport (SWD), Seward, Alaska, United States and De Kooy Airfield (DHR), Den Helder, Netherlands would travel a Great Circle distance of 4,496 miles (or 7,236 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 Seward 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 Seward 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 Seward Airport (SWD):

• Seward Airport (SWD) has 2 runways.
• The furthest airport from Seward Airport (SWD) is Port Elizabeth International Airport (PLZ), which is located 10,617 miles (17,086 kilometers) away in Port Elizabeth, South Africa.
• Seward Airport is a state-owned, public-use airport located two nautical miles northeast of the central business district of Seward, a city in Kenai Peninsula Borough of the U.S.
• Because of Seward Airport's relatively low elevation of 22 feet, planes can take off or land at Seward 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.
• Seward Airport covers an area of 302 acres at an elevation of 22 feet above mean sea level.
• The closest airport to Seward Airport (SWD) is Chenega Bay Airport (NCN), which is located 49 miles (79 kilometers) E of SWD.

Facts about De Kooy Airfield (DHR):

• 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".
• 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.
• De Kooy Airfield (DHR) currently has only 1 runway.
• The oil fields in the North Sea will eventually be depleted and when that happens the airport would lose most of its helicopter movements and thus alternative markets are being looked at, such as business and holiday flights.
• The closest airport to De Kooy Airfield (DHR) is Amsterdam Airport Schiphol (AMS), which is located 43 miles (68 kilometers) S of 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.
• 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.