Night Light of Charlestown (Indiana) from space (United States) Src. Average luminocity for 10x10km area is 22.2386% and for 50x50km: 26.5362%.
Square area 10x10 km:
 0.32%
 2.27%
 2.44%
 2.11%
 2.44%
 5.36%
 3.41%
 7.31%
 5.19%
 31.82%
 37.34%Square area 50x50 km:
 5.21%
 5.45%
 3.64%
 3.42%
 4.23%
 3.72%
 3.88%
 3.49%
 4.15%
 7.83%
 54.98%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 0' 5.9" North, 86° 22' 24.1" West
38° 27' 11.2" North, 85° 40' 12.9" West
37° 54' 1.4" North, 84° 58' 1.6" West
Some cities around Charlestown sort by population:
• Jeffersonville
		20.4 km =12.7 mi, 
196°
• New Albany
		23 km =14.3 mi, 
215°
• Clarksville
		19.1 km =11.9 mi, 
204°
• Saint Matthews
		22.3 km =13.9 mi, 
176°
• Lyndon
		22.6 km =14 mi, 
164°
• Sellersburg
		9.6 km =6 mi, 
230°
• Buckner
		21.5 km =13.4 mi, 
111°
• Oak Park
		16.6 km =10.3 mi, 
187°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016