Night Light of Langford (British Columbia) from space (Canada) Src. Average luminocity for 10x10km area is 33.2188% and for 50x50km: 5.9697%.
Square area 10x10 km:
 5.54%
 5.26%
 1.56%
 3.13%
 4.83%
 5.26%
 7.39%
 3.69%
 15.06%
 27.56%
 20.74%Square area 50x50 km:
 1.13%
 1.19%
 0.37%
 0.4%
 0.82%
 0.81%
 1%
 0.67%
 1.77%
 3.75%
 88.09%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
48° 54' 49.9" North, 124° 12' 20.7" West
48° 26' 58.7" North, 123° 30' 9.4" West
47° 58' 52" North, 122° 47' 58.2" West
Some cities around Langford sort by population:
• Victoria
		11.2 km =7 mi, 
97°
• Duncan
		39.9 km =24.8 mi, 
338°
• Port Angeles, US
		37.2 km =23.1 mi, 
171°
• Oak Bay
		14.8 km =9.2 mi, 
89°
• Colwood
		2.2 km =1.4 mi, 
146°
• North Saanich
		24.9 km =15.5 mi, 
14°
• Salt Spring Island
		41 km =25.5 mi, 
1°
• Sooke
		18.6 km =11.6 mi, 
243°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016