Night Light of Louisville (Ohio) from space (United States) Src. Average luminocity for 10x10km area is 35.9949% and for 50x50km: 26.1768%.
Square area 10x10 km:
 1.7%
 2.21%
 4.08%
 6.29%
 5.44%
 11.22%
 10.03%
 10.03%
 11.9%
 17.52%
 19.56%Square area 50x50 km:
 4%
 4.53%
 2.55%
 3.2%
 5.31%
 5.83%
 4.59%
 3.24%
 4.82%
 7.45%
 54.47%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 22' 1.6" North, 81° 57' 45.6" West
40° 50' 14.2" North, 81° 15' 34.4" West
40° 18' 11.4" North, 80° 33' 23.1" West
Some cities around Louisville sort by population:
• Canton
		10.9 km =6.8 mi, 
246°
• Massillon
		22.5 km =14 mi, 
258°
• Green
		22.3 km =13.9 mi, 
302°
• Alliance
		15.6 km =9.7 mi, 
56°
• North Canton
		12.8 km =8 mi, 
289°
• New Franklin
		26.4 km =16.4 mi, 
296°
• Perry Heights
		18.6 km =11.6 mi, 
255°
• Canal Fulton
		29 km =18 mi, 
281°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016