Night Light of Valley Center (Kansas) from space (United States) Src. Average luminocity for 10x10km area is 26.2092% and for 50x50km: 23.4379%.
Square area 10x10 km:
 1.02%
 1.7%
 3.23%
 3.57%
 5.1%
 5.78%
 5.95%
 5.78%
 12.24%
 19.56%
 36.05%Square area 50x50 km:
 5.01%
 4.82%
 3.69%
 3.08%
 3.76%
 3.22%
 1.94%
 2.56%
 3.37%
 6.89%
 61.67%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 23' 16.6" North, 98° 4' 35.4" West
37° 50' 5" North, 97° 22' 24.2" West
37° 16' 38.4" North, 96° 40' 12.9" West
Some cities around Valley Center sort by population:
• Wichita
		16.2 km =10.1 mi, 
168°
• Derby
		33.4 km =20.8 mi, 
164°
• Newton
		23.7 km =14.7 mi, 
6°
• Andover
		24.8 km =15.4 mi, 
122°
• Haysville
		30.1 km =18.7 mi, 
176°
• Augusta
		38.6 km =24 mi, 
115°
• Park City
		6.2 km =3.9 mi, 
128°
• Mulvane
		41.6 km =25.8 mi, 
164°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016