Night Light of Lanham-Seabrook (Maryland) from space (United States) Src. Average luminocity for 10x10km area is 89.9756% and for 50x50km: 72.056%.
Square area 10x10 km:
 38.47%
 38.47% 25.16%
 25.16% 11.36%
 11.36% 16.4%
 16.4% 5.36%
 5.36% 3.25%
 3.25% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 22.64%
 22.64% 17.61%
 17.61% 10.3%
 10.3% 11.01%
 11.01% 9.39%
 9.39% 7.7%
 7.7% 5.12%
 5.12% 4.39%
 4.39% 2.88%
 2.88% 2.81%
 2.81% 6.14%
 6.14%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 30' 46.5" North, 77° 33' 15.2" West
38° 58' 6.1" North, 76° 51' 3.9" West
38° 25' 10.5" North, 76° 8' 52.7" West
Some cities around Lanham-Seabrook sort by population:
• Greenbelt
		4.5 km =2.8 mi,  332°
332°
• Landover
		5.5 km =3.4 mi,  225°
225°
• Seabrook
		0.4 km =0.2 mi,  94°
94°
• Glenn Dale
		3.4 km =2.1 mi,  50°
50°
• New Carrollton
		2.5 km =1.6 mi,  273°
273°
• Woodlawn
		4.1 km =2.5 mi,  239°
239°
• Glenarden
		4.4 km =2.7 mi,  191°
191°
• Goddard
		2.4 km =1.5 mi,  355°
355°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016