Night Light of Carlinville (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 13.898% and for 50x50km: 3.0982%.
Square area 10x10 km:
 0.68%
 1.19%
 2.21%
 1.36%
 2.04%
 3.74%
 4.08%
 2.21%
 0.85%
 0.51%
 81.12%Square area 50x50 km:
 0.13%
 0.22%
 0.38%
 0.49%
 0.63%
 0.49%
 0.61%
 0.51%
 0.59%
 0.65%
 95.31%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 49' 18.9" North, 90° 35' 5.6" West
39° 16' 47.2" North, 89° 52' 54.4" West
38° 44' 0.2" North, 89° 10' 43.1" West
Some cities around Carlinville sort by population:
• Upper Alton
		47.1 km =29.3 mi, 
209°
• Godfrey
		44.6 km =27.7 mi, 
216°
• Chatham
		46.6 km =29 mi, 
19°
• Bethalto
		43.4 km =27 mi, 
198°
• Jerseyville
		42.4 km =26.3 mi, 
245°
• Litchfield
		22.8 km =14.2 mi, 
120°
• Hillsboro
		35.8 km =22.2 mi, 
111°
• Staunton
		30.8 km =19.1 mi, 
165°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016