Night Light of Columbia (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 34.789% and for 50x50km: 45.9734%.
Square area 10x10 km:
1.62%
4.71%
4.87%
2.6%
4.22%
5.03%
7.95%
13.64%
15.1%
33.93%
6.33%Square area 50x50 km:
12.04%
9.53%
6.41%
8.19%
6.63%
5.04%
3.64%
4.09%
4.73%
9.29%
30.41%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 59' 32.1" North, 90° 54' 15.7" West
38° 26' 37.2" North, 90° 12' 4.4" West
37° 53' 27.1" North, 89° 29' 53.2" West
Some cities around Columbia sort by population:
• Oakville
9.5 km =5.9 mi,
288°
• Mehlville
12.8 km =8 mi,
304°
• Arnold
15.4 km =9.6 mi,
265°
• Affton
16.5 km =10.3 mi,
316°
• Lemay
12.1 km =7.5 mi,
325°
• Concord
16.3 km =10.1 mi,
303°
• Cahokia
14.2 km =8.8 mi,
3°
• Waterloo
12.8 km =8 mi,
159°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016