Night Light of Monticello (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 12.1916% and for 50x50km: 4.875%.
Square area 10x10 km:
 0.49%
 0.32%
 4.55%
 0.49%
 3.25%
 1.46%
 1.14%
 2.44%
 0.81%
 1.14%
 83.93%Square area 50x50 km:
 0.36%
 0.46%
 1.03%
 0.46%
 0.93%
 0.4%
 0.64%
 0.8%
 1.42%
 3.25%
 90.26%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 33' 50.7" North, 89° 16' 35.5" West
40° 1' 40.1" North, 88° 34' 24.2" West
39° 29' 14.2" North, 87° 52' 13" West
Some cities around Monticello sort by population:
• Champaign
		29.8 km =18.5 mi, 
70°
• Decatur
		38.6 km =24 mi, 
237°
• Urbana
		32.5 km =20.2 mi, 
73°
• Rantoul
		47.2 km =29.3 mi, 
48°
• Savoy
		27.5 km =17.1 mi, 
83°
• Mahomet
		23.5 km =14.6 mi, 
37°
• Clinton
		36.1 km =22.4 mi, 
292°
• Mount Zion
		38.4 km =23.9 mi, 
221°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016