Nonstop flight route between St Mary's, Isles of Scilly, United Kingdom and Seattle, Washington, United States:

About this route:

A direct, nonstop flight between St Mary's Airport (ISC), St Mary's, Isles of Scilly, United Kingdom and King County International Airport (BFI), Seattle, Washington, United States would travel a Great Circle distance of 4,702 miles (or 7,568 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 St Mary's Airport and King County 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 St Mary's Airport and King County 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 St Mary's Airport (ISC):

• In addition to being known as "St Mary's Airport", other names for ISC include "Isles of Scilly Airport" and "Scilly Isles/St Mary's Airport".
• St Mary's Airport (ISC) has 2 runways.
• St Mary's Airport handled 89,170 passengers last year.
• On 2 May 1964, BEA replaced its Dragon Rapides on the Land's End route with a single Sikorsky S-61 helicopter, operated by BEA Helicopters.
• Because of St Mary's Airport's relatively low elevation of 116 feet, planes can take off or land at St Mary's 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.
• In 1984 Isles of Scilly Skybus started flights to St Mary's from Land's End, initially freight and charter.
• The furthest airport from St Mary's Airport (ISC) is Dunedin International Airport (DUD), which is nearly antipodal to St Mary's Airport (meaning St Mary's Airport is almost on the exact opposite side of the Earth from Dunedin International Airport), and is located 12,117 miles (19,501 kilometers) away in Dunedin, Otago, New Zealand.
• The closest airport to St Mary's Airport (ISC) is Tresco Heliport (TSO), which is located only 3 miles (5 kilometers) NW of ISC.
• Mayflower Air Services started services to the airport in 1961.
• St Mary's Airport or Isles of Scilly Airport is an airport located 1 nautical mile east of Hugh Town on St Mary's in the Isles of Scilly, to the south west of Cornwall, UK.

Facts about King County International Airport (BFI):

• In addition to being known as "King County International Airport", another name for BFI is "Boeing Field".
• 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.
• 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.
• 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.
• Boeing Field has no scheduled passenger jet flights.
• King County International Airport (BFI) has 2 runways.
• Boeing Field/King County International Airport covers 634 acres at an elevation of 21 feet above mean sea level.