Night Light of Litchfield (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 18.1981% and for 50x50km: 4.2179%.
Square area 10x10 km:
 1.46%
 1.79%
 2.76%
 3.41%
 3.08%
 2.11%
 3.41%
 2.11%
 1.14%
 7.14%
 71.59%Square area 50x50 km:
 0.15%
 0.35%
 0.5%
 0.54%
 0.93%
 0.8%
 0.75%
 0.67%
 0.65%
 1%
 93.67%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 43' 5.8" North, 90° 21' 26.6" West
39° 10' 31.2" North, 89° 39' 15.3" West
38° 37' 41.3" North, 88° 57' 4.1" West
Some cities around Litchfield sort by population:
• Edwardsville
		48 km =29.8 mi, 
212°
• Highland
		48.5 km =30.1 mi, 
181°
• Bethalto
		44.6 km =27.7 mi, 
228°
• Greenville
		37.7 km =23.4 mi, 
146°
• East Alton
		51.3 km =31.9 mi, 
230°
• Hillsboro
		13.8 km =8.6 mi, 
96°
• Carlinville
		22.8 km =14.2 mi, 
300°
• Staunton
		21.6 km =13.4 mi, 
213°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016