Night Light of Alamo (California) from space (United States) Src. Average luminocity for 10x10km area is 39.5325% and for 50x50km: 41.6129%.
Square area 10x10 km:
 1.62%
 3.41%
 0.16%
 5.84%
 12.66%
 8.6%
 17.21%
 7.95%
 10.88%
 26.3%
 5.36%Square area 50x50 km:
 8.07%
 7.65%
 2.22%
 5.02%
 6.92%
 8.67%
 6.93%
 5.15%
 13.91%
 16.97%
 18.49%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 24' 11.9" North, 122° 44' 7.1" West
37° 51' 0.7" North, 122° 1' 55.8" West
37° 17' 34.5" North, 121° 19' 44.6" West
Some cities around Alamo sort by population:
• San Ramon
		9.1 km =5.7 mi, 
148°
• Walnut Creek
		6.9 km =4.3 mi, 
335°
• Danville
		4.3 km =2.7 mi, 
138°
• Lafayette
		8.5 km =5.3 mi, 
297°
• Moraga
		8.7 km =5.4 mi, 
258°
• Contra Costa Centre
		8.9 km =5.5 mi, 
345°
• Waldon
		8.7 km =5.4 mi, 
346°
• Saranap
		5.5 km =3.4 mi, 
315°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016