Nonstop flight route between Denver, Colorado, United States and Alton, Illinois, United States:

About this route:

A direct, nonstop flight between Rocky Mountain Metropolitan Airport (BJC), Denver, Colorado, United States and St. Louis Regional Airport (ALN), Alton, Illinois, United States would travel a Great Circle distance of 807 miles (or 1,298 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 Rocky Mountain Metropolitan Airport and St. Louis Regional Airport, the route shown on this map most likely still appears to be a straight line.

Departure Airport Information:

Arrival Airport Information:

Facts about Rocky Mountain Metropolitan Airport (BJC):

• The furthest airport from Rocky Mountain Metropolitan Airport (BJC) is Sir Gaëtan Duval Airport (RRG), which is located 10,886 miles (17,519 kilometers) away in Rodrigues Island, Mauritius.
• The closest airport to Rocky Mountain Metropolitan Airport (BJC) is Boulder Municipal Airport (WBU), which is located only 11 miles (17 kilometers) NNW of BJC.
• Rocky Mountain Metropolitan Airport is a public-use airport located near Broomfield, Colorado, United States.
• Because of Rocky Mountain Metropolitan Airport's high elevation of 5,673 feet, planes must typically fly at a faster airspeed in order to takeoff or land at BJC. Combined with a high temperature, this could make BJC a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
• The airport was formerly a hub for Pet Airways before ceasing all flights in early 2013.
• Rocky Mountain Metropolitan Airport (BJC) has 3 runways.
• The USDA Forest Service maintains its Jefferson County Tanker Base at the airport.

Facts about St. Louis Regional Airport (ALN):

• The 2,250 acres airfield sits at 544 ft MSL.
• The furthest airport from St. Louis Regional Airport (ALN) is Margaret River Airport (MGV), which is located 11,002 miles (17,706 kilometers) away in Margaret River, Western Australia, Australia.
• St. Louis Regional Airport (ALN) has 2 runways.
• Today a fair amount of air traffic and the Direct TV blimp comes for Cardinals playoffs, as Lambert's airport cannot take the blimp.
• Because of St. Louis Regional Airport's relatively low elevation of 544 feet, planes can take off or land at St. Louis 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.
• Its operations are paid for by an airport taxation district created in 1946, which collects taxes from property owners in the Madison County townships of Alton, Wood River, Foster and Fort Russell.
• In the spring of 2004 the airport was at the center of a scandal.
• The closest airport to St. Louis Regional Airport (ALN) is Lambert–St. Louis International Airport (STL), which is located only 20 miles (32 kilometers) WSW of ALN.