Nonstop flight route between Helena, Montana, United States and College Park, Maryland, United States:

About this route:

A direct, nonstop flight between Helena Regional Airport (HLN), Helena, Montana, United States and College Park Airport (CGS), College Park, Maryland, United States would travel a Great Circle distance of 1,837 miles (or 2,956 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 Helena Regional Airport and College Park Airport, the route shown on this map most likely still appears to be a straight line.

Departure Airport Information:

Arrival Airport Information:

Facts about Helena Regional Airport (HLN):

• In addition to being known as "Helena Regional Airport", another name for HLN is "Helena Army Airfield".
• The closest airport to Helena Regional Airport (HLN) is Bert Mooney Airport (BTM), which is located 51 miles (83 kilometers) SSW of HLN.
• The furthest airport from Helena Regional Airport (HLN) is Sir Gaëtan Duval Airport (RRG), which is located 10,563 miles (17,000 kilometers) away in Rodrigues Island, Mauritius.
• Helena Regional Airport (HLN) has 3 runways.

Facts about College Park Airport (CGS):

• Since the 9/11 attacks, and owing to the airport's proximity to the national capital, the operations of the airport have been severely restricted by the Transportation Security Administration in the interest of national security, but civilian pilots are still free to use the airport after going through a one-time background check procedure.
• The College Park Aviation Museum houses antique and reproduction aircraft associated with the history of College Park Airport.
• The furthest airport from College Park Airport (CGS) is Margaret River Airport (MGV), which is located 11,684 miles (18,803 kilometers) away in Margaret River, Western Australia, Australia.
• Civilian aviation began at College Park with Rex Smith, an inventor and patent attorney, who operated the Rex Smith Aeroplane Company.
• Because of College Park Airport's relatively low elevation of 48 feet, planes can take off or land at College Park 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.
• In 1937, the Engineering & Research Corporation, based in nearby Riverdale, Maryland, used the airport to test fly the early model of the Ercoupe, an airplane designed to be spin-proof.
• College Park Airport (CGS) currently has only 1 runway.
• The closest airport to College Park Airport (CGS) is Bolling Air Force Base (BOF), which is located only 11 miles (17 kilometers) SSW of CGS.