Missouri - Average Distance to Nearest Airport

This page presents statistics and a map.
See information on how and why they were computed.

41.13 mi. = mean distance of a person to his or her nearest major airport
Percent of population within a given distance of a major airport:
PercentileDistance (mi.)
10th percentile7.16
25th percentile12.86
50th percentile (median)27.55
75th percentile65.22
90th percentile101.14

This map displays the major airports in and around Missouri. It shows how the state can divided according to which airport is the closest as the crow flies.

The flags are a sample of 500 census tracts (of 1,391 tracts total) within the state.

On the above map, some census tract flags may look like they are colored for one airport's region but are actually in another airport's region. The census tract flags are colored with which airport they are closest to as the crow flies along the surface of the earth (the Haversine distance formula). The region boundaries that are displayed on map were computed assuming assuming the earth is flat. (The lines that divide regions are a Voronoi diagram, and I couldn't find any algorithm that calculate the lines on a sphere such as the earth.) In short, although a few census tracts may look like they're mislabeled near a boundary, it's actually the boundary that is slightly wrong.

5,988,927 = total population of Missouri
Table of most useful airports: (i.e., the airports that are the closest major airport for the most people)
Airport Code Number of People for whom this is their closest airport
Lambert-St. Louis International AirportSTL2,907,572
Kansas City International AirportMCI1,578,341
Springfield-Branson National AirportSGF1,071,699
Memphis International AirportMEM170,041
Northwest Arkansas Regional AirportXNA169,740
Des Moines International AirportDSM51,340
Quad City International AirportMLI9,445
The Eastern Iowa AirportCID8,974
Evansville Regional AirportEVV8,387
Eppley AirfieldOMA8,142
General Wayne A. Downing Peoria International Airport (was Greater Peoria Regional Airport)PIA5,246


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© Mark Pearson 2012