Nonstop flight route between Seattle, Washington, United States and Carrickfinn, Ireland:

About this route:

A direct, nonstop flight between King County International Airport (BFI), Seattle, Washington, United States and Donegal Airport (CFN), Carrickfinn, Ireland would travel a Great Circle distance of 4,382 miles (or 7,052 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 King County International Airport and Donegal 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 King County International Airport and Donegal 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 King County International Airport (BFI):

• The King County International Airport contracts with the King County Sheriff's Office for police services.
• The Boeing Company has facilities at the airport.
• The initial assembly of the 737 was at Boeing Field in the 1960s because the factory in Renton was at capacity building the 707 and 727.
• The closest airport to King County International Airport (BFI) is Renton Municipal Airport (RNT), which is located only 5 miles (8 kilometers) ESE of BFI.
• In addition to being known as "King County International Airport", another name for BFI is "Boeing Field".
• King County International Airport (BFI) has 2 runways.
• Because of King County International Airport's relatively low elevation of 21 feet, planes can take off or land at King County 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 furthest airport from King County International Airport (BFI) is Tôlanaro Airport (FTU), which is located 10,775 miles (17,341 kilometers) away in Tôlanaro, Madagascar.
• Except for the World War II period, when it was taken over by the U.S.
• Boeing Field had scheduled passenger flights on West Coast Airlines Douglas DC-9s and Fairchild F-27s to Idaho, Oregon, Washington, northern California, western Montana, northern Utah and to Calgary.

Facts about Donegal Airport (CFN):

• The closest airport to Donegal Airport (CFN) is City of Derry Airport (LDY), which is located 47 miles (75 kilometers) E of CFN.
• Because of Donegal Airport's relatively low elevation of 30 feet, planes can take off or land at Donegal 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.
• Loganair is the only scheduled airline currently using the airport.
• Donegal Airport (CFN) currently has only 1 runway.
• Until the mid-1980s, the runway was a grass strip.
• The furthest airport from Donegal Airport (CFN) is Ryan's Creek Aerodrome (SZS), which is located 11,853 miles (19,076 kilometers) away in Stewart Island, New Zealand.
• In October 2011, Aer Arann ceased operations at Donegal due to the loss of the Dublin PSO contract.
• In February 2010, Aer Arann closed its service to Glasgow Prestwick Airport and relocated to Glasgow International Airport
• In addition to being known as "Donegal Airport", another name for CFN is "Aerfort Dhún na nGall".