Nonstop flight route between Alliance, Nebraska, United States and Sidney, Montana, United States:

About this route:

A direct, nonstop flight between Alliance Municipal Airport (AIA), Alliance, Nebraska, United States and Sidney-Richland Municipal Airport (SDY), Sidney, Montana, United States would travel a Great Circle distance of 396 miles (or 638 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 Alliance Municipal Airport and Sidney-Richland Municipal Airport, the route shown on this map most likely still appears to be a straight line.

Departure Airport Information:

Arrival Airport Information:

Facts about Alliance Municipal Airport (AIA):

• On August 22, 1943, a huge crowd of 65,000 people gathered for the dedication of Alliance Army Airfield, a training facility for Army paratroops and air crews.
• Alliance AAF was divided into air operations, quartermaster, troop cantonment, and gunnery ranges.
• The furthest airport from Alliance Municipal Airport (AIA) is Sir Gaëtan Duval Airport (RRG), which is located 10,697 miles (17,215 kilometers) away in Rodrigues Island, Mauritius.
• Alliance Municipal Airport (AIA) has 3 runways.
• The cantonment housing area of the airfield covered 1,088 acres, and had 775 buildings and other structures, including hangars, chapels, warehouses, barracks, mess halls, service buildings, and latrines.
• In addition to being known as "Alliance Municipal Airport", another name for AIA is "(former Alliance Army Airfield)".
• Alliance Municipal Airport is in Box Butte County, Nebraska, three miles southeast of the city of Alliance, which owns it.Great Lakes Airlines scheduled passenger flights are subsidized by the Essential Air Service program.
• In addition to the USAAF units, the Army 326th Glider Infantry, 507th Parachute Infantry, and 878th Airborne Engineers trained at Alliance before deployment to the European Theater.
• The closest airport to Alliance Municipal Airport (AIA) is Western Nebraska Regional Airport (BFF), which is located 43 miles (68 kilometers) WSW of AIA.
• Today many World War II-era buildings remain in use.

Facts about Sidney-Richland Municipal Airport (SDY):

• Sidney-Richland Municipal Airport (SDY) has 2 runways.
• The closest airport to Sidney-Richland Municipal Airport (SDY) is Sloulin Field International Airport (ISN), which is located 41 miles (67 kilometers) NE of SDY.
• As per the Federal Aviation Administration, this airport had 2,031 passenger boardings in calendar year 2008, 2,766 in 2009, and 3,659 in 2010.
• The furthest airport from Sidney-Richland Municipal Airport (SDY) is Sir Gaëtan Duval Airport (RRG), which is located 10,383 miles (16,711 kilometers) away in Rodrigues Island, Mauritius.
• Sidney-Richland Municipal Airport is a public use airport located one nautical mile west of the central business district of Sidney, a city in Richland County, Montana, United States.