Night Light of Summerfield (Maryland) from space (United States) Src. Average luminocity for 10x10km area is 95.9949% and for 50x50km: 68.0905%.
Square area 10x10 km:
 59.35%
 59.35% 23.3%
 23.3% 10.03%
 10.03% 6.8%
 6.8% 0.51%
 0.51% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 21.07%
 21.07% 15.68%
 15.68% 10.12%
 10.12% 10.54%
 10.54% 8.93%
 8.93% 7.46%
 7.46% 4.9%
 4.9% 4.81%
 4.81% 3.8%
 3.8% 3.19%
 3.19% 9.49%
 9.49%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 26' 58.6" North, 77° 34' 17.1" West
38° 54' 16.3" North, 76° 52' 5.9" West
38° 21' 19" North, 76° 9' 54.6" West
Some cities around Summerfield sort by population:
• Landover
		4.1 km =2.5 mi,  323°
323°
• Kettering
		5.1 km =3.2 mi,  115°
115°
• Walker Mill
		3.7 km =2.3 mi,  208°
208°
• Largo
		3.4 km =2.1 mi,  103°
103°
• Lake Arbor
		3.4 km =2.1 mi,  83°
83°
• Cheverly
		4.9 km =3 mi,  302°
302°
• Woodlawn
		5.4 km =3.4 mi,  338°
338°
• Glenarden
		2.8 km =1.7 mi,  11°
11°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016