Night Light of River Forest (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 99.5698% and for 50x50km: 81.0554%.
Square area 10x10 km:
 77.62%
 77.62% 22.38%
 22.38% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 43.89%
 43.89% 20.39%
 20.39% 9.67%
 9.67% 5.95%
 5.95% 2.48%
 2.48% 1.91%
 1.91% 1.77%
 1.77% 1.42%
 1.42% 1.5%
 1.5% 2.09%
 2.09% 8.92%
 8.92%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 25' 8.5" North, 88° 31' 1.5" West
41° 53' 52.1" North, 87° 48' 50.2" West
41° 22' 20.3" North, 87° 6' 39" West
Some cities around River Forest sort by population:
• Belmont Cragin
		5.3 km =3.3 mi,  44°
44°
• Berwyn
		5.5 km =3.4 mi,  162°
162°
• Oak Park
		2.8 km =1.7 mi,  120°
120°
• Melrose Park
		3.6 km =2.2 mi,  274°
274°
• Elmwood Park
		2.6 km =1.6 mi,  8°
8°
• Maywood
		3.2 km =2 mi,  229°
229°
• Forest Park
		2 km =1.2 mi,  179°
179°
• Broadview
		5 km =3.1 mi,  220°
220°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016