Night Light of Hillsboro (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 14.2386% and for 50x50km: 3.0788%.
Square area 10x10 km:
 0.81%
 2.11%
 0.97%
 2.11%
 3.57%
 3.08%
 2.92%
 0.65%
 0.81%
 3.08%
 79.87%Square area 50x50 km:
 0.13%
 0.24%
 0.42%
 0.38%
 0.62%
 0.61%
 0.51%
 0.62%
 0.38%
 0.83%
 95.26%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 42' 15.7" North, 90° 11' 54.7" West
39° 9' 40.6" North, 89° 29' 43.4" West
38° 36' 50.4" North, 88° 47' 32.2" West
Some cities around Hillsboro sort by population:
• Taylorville
		46.4 km =28.8 mi, 
21°
• Highland
		49.3 km =30.6 mi, 
197°
• Vandalia
		41.2 km =25.6 mi, 
122°
• Litchfield
		13.8 km =8.6 mi, 
276°
• Greenville
		30.7 km =19.1 mi, 
166°
• Carlinville
		35.8 km =22.2 mi, 
291°
• Pana
		43.8 km =27.2 mi, 
54°
• Staunton
		30.4 km =18.9 mi, 
237°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016