Nonstop flight route between Carlsbad, California, United States and Alton, Illinois, United States:

About this route:

A direct, nonstop flight between McClellan–Palomar Airport (CLD), Carlsbad, California, United States and St. Louis Regional Airport (ALN), Alton, Illinois, United States would travel a Great Circle distance of 1,567 miles (or 2,522 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 McClellan–Palomar 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 McClellan–Palomar Airport (CLD):

• Because of McClellan–Palomar Airport's relatively low elevation of 331 feet, planes can take off or land at McClellan–Palomar 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.
• Previous airline service to the airport includes American Eagle to Los Angeles and America West Express to Phoenix.
• The closest airport to McClellan–Palomar Airport (CLD) is Bob Maxwell Field (Oceanside Municipal Airport) (OCN), which is located only 7 miles (12 kilometers) NNW of CLD.
• The furthest airport from McClellan–Palomar Airport (CLD) is Sir Gaëtan Duval Airport (RRG), which is located 11,512 miles (18,527 kilometers) away in Rodrigues Island, Mauritius.
• McClellan–Palomar Airport (CLD) currently has only 1 runway.
• In addition to being known as "McClellan–Palomar Airport", another name for CLD is "CRQ".

Facts about St. Louis Regional Airport (ALN):

• St. Louis Regional Airport (ALN) has 2 runways.
• 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.
• The 2,250 acres airfield sits at 544 ft MSL.
• Today a fair amount of air traffic and the Direct TV blimp comes for Cardinals playoffs, as Lambert's airport cannot take the blimp.
• 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.
• 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.
• In the spring of 2004 the airport was at the center of a scandal.
• 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.