Nonstop flight route between Portimão, Algarve, Portugal and Great Falls, Montana, United States:

About this route:

A direct, nonstop flight between Portimão Airport (PRM), Portimão, Algarve, Portugal and Malmstrom Air Force Base (GFA), Great Falls, Montana, United States would travel a Great Circle distance of 4,897 miles (or 7,880 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 Portimão Airport and Malmstrom Air Force 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 Portimão Airport and Malmstrom Air Force 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 Portimão Airport (PRM):

• The closest airport to Portimão Airport (PRM) is Faro International Airport (FAO), which is located 35 miles (56 kilometers) ESE of PRM.
• Portimão Airport (PRM) currently has only 1 runway.
• In addition to being known as "Portimão Airport", another name for PRM is "Aeródromo Municipal de Portimão".
• 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.

Facts about Malmstrom Air Force Base (GFA):

• In addition to being known as "Malmstrom Air Force Base", another name for GFA is "Malmstrom AFB".
• On 1 July 1968, the F-101B equipped 29th FIS was inactivated and replaced by the F-106 Delta Dart equipped 71st Fighter-Interceptor Squadron, which was reassigned from Richards Gebaur AFB when its ADC mission was eliminated.
• Malmstrom Air Force Base traces its beginnings back to 1939 when World War II broke out in Europe.
• Great Falls became the temporary home of the 582nd Air Resupply and Communications Wing on 1 May 1953 which was transferred from Mountain Home AFB, Idaho.
• The furthest airport from Malmstrom Air Force Base (GFA) is Sir Gaëtan Duval Airport (RRG), which is located 10,495 miles (16,891 kilometers) away in Rodrigues Island, Mauritius.
• The closest airport to Malmstrom Air Force Base (GFA) is Great Falls International Airport (GTF), which is located only 9 miles (14 kilometers) W of GFA.
• After World War II ended Great Falls AAB assumed a support mission for military personnel assigned to Alaskan military installations.
• Z-147 was completely replaced by a new ARSR-4 JSS site on Bootlegger Ridge, about 14 miles northeast of Great Falls AFB.