Night Light of Greenville (Ohio) from space (United States) Src. Average luminocity for 10x10km area is 28.2045% and for 50x50km: 3.807%.
Square area 10x10 km:
 2.92%
 8.44%
 3.41%
 0.81%
 4.87%
 2.92%
 3.25%
 3.25%
 3.57%
 30.03%
 36.53%Square area 50x50 km:
 0.18%
 0.68%
 0.37%
 0.38%
 0.48%
 0.43%
 0.57%
 0.76%
 0.84%
 2.91%
 92.4%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 38' 18.7" North, 85° 20' 10.1" West
40° 6' 10.2" North, 84° 37' 58.8" West
39° 33' 46.4" North, 83° 55' 47.6" West
Some cities around Greenville sort by population:
• Richmond
		37.5 km =23.3 mi, 
215°
• Troy
		37.2 km =23.1 mi, 
100°
• Piqua
		33.5 km =20.8 mi, 
82°
• Englewood
		37.7 km =23.4 mi, 
131°
• Clayton
		35.3 km =21.9 mi, 
138°
• Eaton
		39.9 km =24.8 mi, 
180°
• Union
		36 km =22.4 mi, 
129°
• Brookville
		35.1 km =21.8 mi, 
147°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016