Night Light of Lake Dallas (Texas) from space (United States) Src. Average luminocity for 10x10km area is 59.359% and for 50x50km: 62.292%.
Square area 10x10 km:
 6.04%
 6.04% 5.86%
 5.86% 9.16%
 9.16% 9.71%
 9.71% 17.95%
 17.95% 16.12%
 16.12% 9.52%
 9.52% 15.75%
 15.75% 9.89%
 9.89% 0%
 0% 0%
 0%Square area 50x50 km:
 18.6%
 18.6% 15.76%
 15.76% 8.46%
 8.46% 7.88%
 7.88% 7.54%
 7.54% 6.63%
 6.63% 4.9%
 4.9% 5.15%
 5.15% 5.48%
 5.48% 7.91%
 7.91% 11.69%
 11.69%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
33° 42' 22.3" North, 97° 43' 43.3" West
33° 7' 9.4" North, 97° 1' 32" West
32° 31' 42.3" North, 96° 19' 20.8" West
Some cities around Lake Dallas sort by population:
• Denton
		14.6 km =9.1 mi,  316°
316°
• Lewisville
		8.6 km =5.3 mi,  160°
160°
• Flower Mound
		13.4 km =8.3 mi,  209°
209°
• The Colony
		13.4 km =8.3 mi,  104°
104°
• Little Elm
		9.5 km =5.9 mi,  59°
59°
• Corinth
		5.3 km =3.3 mi,  316°
316°
• Highland Village
		3.6 km =2.2 mi,  212°
212°
• Lantana
		9.7 km =6 mi,  250°
250°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016