Night Light of Mentor (Ohio) from space (United States) Src. Average luminocity for 10x10km area is 70.8279% and for 50x50km: 26.8237%.
Square area 10x10 km:
 16.56%
 18.99%
 7.31%
 11.2%
 15.26%
 8.28%
 5.52%
 6.82%
 6.49%
 3.57%
 0%Square area 50x50 km:
 8.08%
 6.02%
 2.3%
 1.97%
 2.65%
 2.76%
 3.02%
 3.32%
 5.98%
 10.05%
 53.86%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 11' 21.4" North, 82° 2' 33.6" West
41° 39' 58.2" North, 81° 20' 22.4" West
41° 8' 19.5" North, 80° 38' 11.1" West
Some cities around Mentor sort by population:
• Willoughby
		6.3 km =3.9 mi, 
242°
• Painesville
		10.1 km =6.3 mi, 
50°
• Eastlake
		9.3 km =5.8 mi, 
261°
• Willowick
		11.3 km =7 mi, 
251°
• Wickliffe
		11.6 km =7.2 mi, 
234°
• Willoughby Hills
		10 km =6.2 mi, 
221°
• Kirtland
		4.5 km =2.8 mi, 
203°
• Chardon
		16.9 km =10.5 mi, 
110°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016