Nonstop flight route between San Francisco, California, United States and Portimão, Algarve, Portugal:

About this route:

A direct, nonstop flight between San Francisco International Airport (SFO), San Francisco, California, United States and Portimão Airport (PRM), Portimão, Algarve, Portugal would travel a Great Circle distance of 5,767 miles (or 9,280 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 San Francisco International Airport and Portimão 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 San Francisco International Airport and Portimão 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 San Francisco International Airport (SFO):

• San Francisco International Airport is an international airport located 13 miles south of downtown San Francisco, California, near Millbrae and San Bruno in unincorporated San Mateo County.
• 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.
• San Francisco International Airport (SFO) has 4 runways.
• In 1954 the airport's Central Passenger Terminal opened.
• 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.
• On October 4, 2007, an Airbus A380 jumbo jet made its first visit to the airport.
• United Airlines used Mills Field as well as the Oakland Municipal Airport starting in the 1930s.
• On May 12, 2008, a $383 million renovation project was announced that included a new control tower, the use of green materials, and a seismic retrofit.
• The airport has four terminals and seven concourses arranged in a ring.
• 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 handled 44,477,209 passengers last year.
• After the war United Airlines used the Pan Am terminal 37°38′05″N 122°23′24″W / 37.6347°N 122.39°W / 37.6347.
• SFO has expanded through the decades.

Facts about Portimão Airport (PRM):

• Portimão Airport (PRM) currently has only 1 runway.
• Because of Portimão Airport's relatively low elevation of 5 feet, planes can take off or land at Portimão 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 Portimão Airport (PRM) is Dargaville Aerodrome (DGR), which is nearly antipodal to Portimão Airport (meaning Portimão Airport is almost on the exact opposite side of the Earth from Dargaville Aerodrome), and is located 12,276 miles (19,756 kilometers) away in Dargaville, New Zealand.
• The closest airport to Portimão Airport (PRM) is Faro International Airport (FAO), which is located 35 miles (56 kilometers) ESE of PRM.
• In addition to being known as "Portimão Airport", another name for PRM is "Aeródromo Municipal de Portimão".