Night Light of Herrin (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 34.7058% and for 50x50km: 12.9656%.
Square area 10x10 km:
 1.7%
 4.08%
 5.27%
 3.06%
 5.61%
 3.4%
 5.61%
 11.56%
 24.49%
 29.25%
 5.95%Square area 50x50 km:
 1.11%
 1.24%
 1.89%
 1.31%
 1.57%
 1.98%
 1.7%
 3.34%
 4.09%
 12.37%
 69.4%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 21' 23.7" North, 89° 43' 50.5" West
37° 48' 11.2" North, 89° 1' 39.3" West
37° 14' 43.7" North, 88° 19' 28" West
Some cities around Herrin sort by population:
• Carbondale
		18.6 km =11.6 mi, 
243°
• Marion
		11.6 km =7.2 mi, 
134°
• Harrisburg
		43.4 km =27 mi, 
99°
• West Frankfort
		13.5 km =8.4 mi, 
38°
• Murphysboro
		27.4 km =17 mi, 
260°
• Benton
		23.5 km =14.6 mi, 
23°
• Du Quoin
		29.5 km =18.3 mi, 
321°
• Carterville
		6.5 km =4 mi, 
222°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016