Night Light of Saint Marys (Ohio) from space (United States) Src. Average luminocity for 10x10km area is 21.1445% and for 50x50km: 8.8876%.
Square area 10x10 km:
 1.95%
 3.73%
 4.55%
 1.46%
 1.46%
 3.25%
 1.46%
 2.11%
 2.76%
 19.16%
 58.12%Square area 50x50 km:
 0.99%
 1.75%
 1.04%
 0.79%
 1.12%
 0.99%
 1.51%
 1.12%
 1.48%
 4.84%
 84.38%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 4' 28.1" North, 85° 5' 33.1" West
40° 32' 32.2" North, 84° 23' 21.8" West
40° 0' 21" North, 83° 41' 10.6" West
Some cities around Saint Marys sort by population:
• Lima
		32.7 km =20.3 mi, 
47°
• Sidney
		34.9 km =21.7 mi, 
145°
• Piqua
		45.9 km =28.5 mi, 
164°
• Van Wert
		39.9 km =24.8 mi, 
335°
• Celina
		15.3 km =9.5 mi, 
272°
• Wapakoneta
		16.8 km =10.4 mi, 
80°
• Delphos
		33.7 km =20.9 mi, 
6°
• Portland
		51.2 km =31.8 mi, 
256°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016