Nonstop flight route between Düne, Helgoland, Schleswig-Holstein, Germany and SeaTac (near Seattle and Tacoma), Washington, United States:

About this route:

A direct, nonstop flight between Heligoland Airport (HGL), Düne, Helgoland, Schleswig-Holstein, Germany and Seattle–Tacoma International Airport (SEA), SeaTac (near Seattle and Tacoma), Washington, United States would travel a Great Circle distance of 4,837 miles (or 7,785 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 Heligoland Airport and Seattle–Tacoma 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 Heligoland Airport and Seattle–Tacoma International Airport. 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 Heligoland Airport (HGL):

• Heligoland Airport (HGL) has 3 runways.
• The furthest airport from Heligoland Airport (HGL) is Chatham Islands (CHT), which is located 11,693 miles (18,819 kilometers) away in Waitangi, Chatham Islands, New Zealand.
• The airport is licensed for aeroplanes up to 5,700 kilograms maximum takeoff weight and helicopters up to 10,000 kilograms.
• The closest airport to Heligoland Airport (HGL) is Wangerooge Airport (AGE), which is located 28 miles (45 kilometers) S of HGL.
• The first military airfield on Düne existed during World War II when Heligoland had been fortified.
• In addition to being known as "Heligoland Airport", another name for HGL is "Flughafen Helgoland-Düne".
• Heligoland Airport is a small airport on the German island of Düne, the smaller of the two isles of the Heligoland archipelago in the North Sea, about 70 kilometres from the mainland.
• From 2005 to 2006, the main runway was extended from 400 m to 480 m for compliance with EU regulations on commercial air traffic.
• Because of Heligoland Airport's relatively low elevation of 7 feet, planes can take off or land at Heligoland 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.

Facts about Seattle–Tacoma International Airport (SEA):

• The two-story North Concourse added four new gate positions and a new wing 600 feet long and 30 feet wide.
• The airport has a Central Terminal building, which was renovated and expanded in 2003.
• Starting in the late 1980s, the Port of Seattle and a council representing local county governments considered the future of air traffic in the region and predicted that airport could reach capacity by 2000.
• In 2013, the airport served over 34.7 million passengers, making it the 15th-busiest airport in the United States.
• Seattle–Tacoma International Airport handled 34,776,666 passengers last year.
• The facility was originally scheduled to open in Spring 2011.
• Seattle–Tacoma International Airport (SEA) has 3 runways.
• In addition to being known as "Seattle–Tacoma International Airport", another name for SEA is "Sea–Tac Airport".
• Because of Seattle–Tacoma International Airport's relatively low elevation of 433 feet, planes can take off or land at Seattle–Tacoma 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 Seattle–Tacoma International Airport (SEA) is Renton Municipal Airport (RNT), which is located only 5 miles (9 kilometers) NE of SEA.
• The furthest airport from Seattle–Tacoma International Airport (SEA) is Tôlanaro Airport (FTU), which is located 10,781 miles (17,350 kilometers) away in Tôlanaro, Madagascar.