Nonstop flight route between San Francisco, California, United States and St. Paul Island, Alaska, United States:

About this route:

A direct, nonstop flight between San Francisco International Airport (SFO), San Francisco, California, United States and St. Paul Island Airport (SNP), St. Paul Island, Alaska, United States would travel a Great Circle distance of 2,540 miles (or 4,088 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 St. Paul Island 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 St. Paul Island 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):

• 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.
• 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.
• SFO has expanded through the decades.
• Since the mid-2000s recovery at SFO has been evident.
• SFO is owned and policed by the City and County of San Francisco, but is located in and entirely surrounded by adjacent San Mateo County.
• San Francisco International Airport handled 44,477,209 passengers last year.
• 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 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.
• All international Star Alliance members aside from Air Canada, Asiana, and TACA use Boarding Area G.
• 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.
• SFO experiences delays in overcast weather when only two of the airport's four runways can be used at a time because the centerlines of the parallel runways are only 750 feet apart.
• San Francisco International Airport (SFO) has 4 runways.

Facts about St. Paul Island Airport (SNP):

• The furthest airport from St. Paul Island Airport (SNP) is Cape Town International Airport (CPT), which is located 10,781 miles (17,351 kilometers) away in Cape Town, South Africa.
• St. Paul Island Airport (SNP) currently has only 1 runway.
• The closest airport to St. Paul Island Airport (SNP) is St. George Airport (STG), which is located 46 miles (74 kilometers) SSE of SNP.
• Because of St. Paul Island Airport's relatively low elevation of 63 feet, planes can take off or land at St. Paul Island 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.