Night Light of Langley Park (Maryland) from space (United States) Src. Average luminocity for 10x10km area is 96.3701% and for 50x50km: 79.7176%.
Square area 10x10 km:
 58.93%
 58.93% 23.21%
 23.21% 15.42%
 15.42% 2.44%
 2.44% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 26.01%
 26.01% 20.48%
 20.48% 11.38%
 11.38% 13.4%
 13.4% 10.04%
 10.04% 7.49%
 7.49% 4.02%
 4.02% 3.27%
 3.27% 2.07%
 2.07% 1.59%
 1.59% 0.26%
 0.26%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 31' 59.3" North, 77° 41' 4.2" West
38° 59' 19.4" North, 76° 58' 52.9" West
38° 26' 24.4" North, 76° 16' 41.7" West
Some cities around Langley Park sort by population:
• Silver Spring
		3.9 km =2.4 mi,  273°
273°
• Chillum
		2.9 km =1.8 mi,  196°
196°
• College Park
		3.9 km =2.4 mi,  103°
103°
• Hyattsville
		4.8 km =3 mi,  139°
139°
• Takoma Park
		2.6 km =1.6 mi,  241°
241°
• Adelphi
		1.8 km =1.1 mi,  26°
26°
• Four Corners
		4.4 km =2.7 mi,  322°
322°
• Hillandale
		4.2 km =2.6 mi,  8°
8°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016