Nonstop flight route between Portsmouth, Ohio, United States and Great Falls, Montana, United States:

About this route:

A direct, nonstop flight between Greater Portsmouth Regional Airport (PMH), Portsmouth, Ohio, United States and Malmstrom Air Force Base (GFA), Great Falls, Montana, United States would travel a Great Circle distance of 1,537 miles (or 2,474 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 relatively short distance between Greater Portsmouth Regional Airport and Malmstrom Air Force Base, the route shown on this map most likely still appears to be a straight line.

Departure Airport Information:

Arrival Airport Information:

Facts about Greater Portsmouth Regional Airport (PMH):

• Because of Greater Portsmouth Regional Airport's relatively low elevation of 663 feet, planes can take off or land at Greater Portsmouth Regional 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.
• Greater Portsmouth Regional Airport (PMH) currently has only 1 runway.
• The closest airport to Greater Portsmouth Regional Airport (PMH) is Lawrence County Airpark (HTW), which is located 35 miles (56 kilometers) SSE of PMH.
• The furthest airport from Greater Portsmouth Regional Airport (PMH) is Margaret River Airport (MGV), which is located 11,385 miles (18,322 kilometers) away in Margaret River, Western Australia, Australia.
• Greater Portsmouth Regional Airport covers an area of 246 acres at an elevation of 663 feet above mean sea level.

Facts about Malmstrom Air Force Base (GFA):

• Malmstrom AFB is one of three US Air Force Bases that maintains and operates the Minuteman III intercontinental ballistic missile.
• In 1957, under the control of the 801st Aircraft Control and Warning Squadron, the Malmstrom AFB radar station became operational with AN/FPS-20 search and AN/FPS-6 height-finder radars.
• Tensions between the United States and the Soviet Union increased dramatically when the Soviet Union closed all land travel between the western occupation sectors of Germany and the American, French and British sectors of Berlin.
• 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.
• 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.
• In November 1942, a survey team evaluated an area near the Green Mill Dance Club and Rainbow Dam Road approximately six miles east of Great Falls.
• The base's runway was closed on 31 December 1996 for aircraft operations.
• On 18 December 1953, Great Falls AFB was transferred from Military Air Transport Service to Strategic Air Command, although MATS units remained at the base for several years.
• In addition to being known as "Malmstrom Air Force Base", another name for GFA is "Malmstrom AFB".