Night Light of Fort Belvoir (Virginia) from space (United States) Src. Average luminocity for 10x10km area is 67.4439% and for 50x50km: 60.0307%.
Square area 10x10 km:
 17.52%
 17.52% 16.16%
 16.16% 8.33%
 8.33% 10.54%
 10.54% 9.01%
 9.01% 8.5%
 8.5% 5.27%
 5.27% 7.99%
 7.99% 13.78%
 13.78% 2.89%
 2.89% 0%
 0%Square area 50x50 km:
 16.82%
 16.82% 12.58%
 12.58% 8.34%
 8.34% 9.93%
 9.93% 9.21%
 9.21% 6.01%
 6.01% 4.94%
 4.94% 5.68%
 5.68% 7.23%
 7.23% 7.68%
 7.68% 11.59%
 11.59%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 15' 30.4" North, 77° 50' 56.5" West
38° 42' 42.8" North, 77° 8' 45.2" West
38° 9' 40.1" North, 76° 26' 34" West
Some cities around Fort Belvoir sort by population:
• Woodlawn
		1.3 km =0.8 mi,  64°
64°
• Lorton
		7.2 km =4.5 mi,  263°
263°
• Franconia
		7.8 km =4.8 mi,  359°
359°
• Hybla Valley
		6.7 km =4.2 mi,  53°
53°
• Groveton
		8.1 km =5 mi,  40°
40°
• Newington
		4.5 km =2.8 mi,  311°
311°
• Mount Vernon
		3.9 km =2.4 mi,  86°
86°
• Laurel Hill
		7.9 km =4.9 mi,  273°
273°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016