Nonstop flight route between Knock, Ireland and Concord, California, United States:

About this route:

A direct, nonstop flight between Ireland West Airport Knock (NOC), Knock, Ireland and Buchanan FieldConcord Army Air Base (CCR), Concord, California, United States would travel a Great Circle distance of 4,953 miles (or 7,971 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 Ireland West Airport Knock and Buchanan FieldConcord Army Air Base, 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 Ireland West Airport Knock and Buchanan FieldConcord Army Air Base. 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 Ireland West Airport Knock (NOC):

• Ireland West Airport Knock handled 665,000 passengers last year.
• In addition to being known as "Ireland West Airport Knock", other names for NOC include "Horan International Airport" and "Aerfort Iarthar Éireann".
• 2007 was a notable year, with scheduled transatlantic services to New York and Boston commencing in May, operated by the now-defunct Flyglobespan.
• Because of Ireland West Airport Knock's relatively low elevation of 665 feet, planes can take off or land at Ireland West Airport Knock 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 nearest railway stations are Ballyhaunis, Foxford and Claremorris, accessible by taxi and bus.
• Ireland West Airport Knock (NOC) currently has only 1 runway.
• The furthest airport from Ireland West Airport Knock (NOC) is Ryan's Creek Aerodrome (SZS), which is located 11,934 miles (19,206 kilometers) away in Stewart Island, New Zealand.
• In 2005 the airport changed its name to Ireland West Airport Knock.
• The closest airport to Ireland West Airport Knock (NOC) is Sligo Airport (SXL), which is located 27 miles (44 kilometers) NNE of NOC.

Facts about Buchanan FieldConcord Army Air Base (CCR):

• The furthest airport from Buchanan FieldConcord Army Air Base (CCR) is Tôlanaro Airport (FTU), which is located 11,334 miles (18,241 kilometers) away in Tôlanaro, Madagascar.
• Buchanan Field covers 495 acres at an elevation of 26 feet above mean sea level.
• On December 21, 2006, at about 1900 Zulu, a Piper Malibu crashed while flying the LDA approach into CCR.
• In 1977 Buchanan Field reached its peak of activity with 357,000 total operations.
• Another plane crashed on April 13, 2004, shortly after leaving Buchanan Field.
• For decades, it was common for jets to fly over residential areas.
• The closest airport to Buchanan FieldConcord Army Air Base (CCR) is Napa County Airport (APC), which is located only 20 miles (32 kilometers) NW of CCR.
• Buchanan FieldConcord Army Air Base (CCR) has 4 runways.
• Because of Buchanan FieldConcord Army Air Base's relatively low elevation of 26 feet, planes can take off or land at Buchanan FieldConcord Army Air Base 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.