Night Light of Valley Center (California) from space (United States) Src. Average luminocity for 10x10km area is 10.3077% and for 50x50km: 20.6941%.
Square area 10x10 km:
 0%
 0%
 0%
 0%
 1.4%
 0.7%
 3.5%
 2.8%
 6.64%
 19.06%
 65.91%Square area 50x50 km:
 2.06%
 2.06%
 0.81%
 1.58%
 7.39%
 6.34%
 4.99%
 3.87%
 4.58%
 7.22%
 59.1%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 48' 16.6" North, 117° 44' 14.4" West
33° 13' 6.1" North, 117° 2' 3.1" West
32° 37' 41.4" North, 116° 19' 51.9" West
Some cities around Valley Center sort by population:
• Escondido
		12 km =7.5 mi, 
203°
• Vista
		19.5 km =12.1 mi, 
263°
• San Marcos
		14.8 km =9.2 mi, 
235°
• Rancho Penasquitos
		29.8 km =18.5 mi, 
194°
• Poway
		28.4 km =17.6 mi, 
180°
• Fallbrook
		26.7 km =16.6 mi, 
311°
• Ramona
		25 km =15.5 mi, 
141°
• Camp Pendleton North
		28.3 km =17.6 mi, 
292°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016