Nonstop flight route between Alconbury, England, United Kingdom and San Francisco, California, United States:

About this route:

A direct, nonstop flight between RAF AlconburyUSAAF Station 102 (AYH), Alconbury, England, United Kingdom and San Francisco International Airport (SFO), San Francisco, California, United States would travel a Great Circle distance of 5,316 miles (or 8,555 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 RAF AlconburyUSAAF Station 102 and San Francisco 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 RAF AlconburyUSAAF Station 102 and San Francisco 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 RAF AlconburyUSAAF Station 102 (AYH):

• The furthest airport from RAF AlconburyUSAAF Station 102 (AYH) is Chatham Islands (CHT), which is located 11,821 miles (19,024 kilometers) away in Waitangi, Chatham Islands, New Zealand.
• The technical site on the north-west side was expanded where a single T2 hangar was also erected.
• This was the time of the Blitz, when many parts of Britain were being subjected to an almost nightly series of heavy air raids.
• The group comprises six squadrons—security forces and civil engineer, air base, medical and services—and supports tenant units.
• The closest airport to RAF AlconburyUSAAF Station 102 (AYH) is Cambridge International Airport (CBG), which is located 20 miles (32 kilometers) ESE of AYH.
• In late 1940/41, an expansion of RAF Alconbury commenced to upgrade its facilities from a satellite airfield to a fully operational one.
• Also in 1942, to bring the station up to Class A airfield standards, the runways were extended to 2,000 yards, and 1,400 yards, with 26 additional hardstands along with the taxiways altered.
• In the spring of 1938, the Air Ministry acquired about 150 acres of open meadowland at Alconbury Hill, Huntingdonshire, expressly for use as a satellite airfield.
• RAF Alconbury and RAF Molesworth are the last Second World War-era Eighth Air Force bases in Britain that are still actively in use and controlled by the United States Air Force.

Facts about San Francisco International Airport (SFO):

• The closest airport to San Francisco International Airport (SFO) is Half Moon Bay AirportHalf Moon Bay Flight Strip (HAF), which is located only 10 miles (16 kilometers) SW of SFO.
• Because of San Francisco International Airport's relatively low elevation of 13 feet, planes can take off or land at San Francisco 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.
• San Francisco International Airport (SFO) has 4 runways.
• SFO was one of the first airports to implement a Fly Quiet Program which grades individual air carriers on their performance on noise abatement procedures while flying in and out of SFO.
• SFO is the largest airport in the Bay Area and the second busiest in California, after Los Angeles International Airport.
• A long-planned extension of the Bay Area Rapid Transit system to the airport opened on June 22, 2003, allowing passengers to board BART trains at the international terminal to San Francisco or the East Bay.
• San Francisco International Airport handled 44,477,209 passengers last year.
• The furthest airport from San Francisco International Airport (SFO) is Tôlanaro Airport (FTU), which is located 11,365 miles (18,290 kilometers) away in Tôlanaro, Madagascar.
• Formerly known as the "North Terminal," Terminal 3 has Boarding Area E and Boarding Area F has 26 gates.