Night Light of Gundelfingen (Bavaria) from space (Germany) Src. Average luminocity for 10x10km area is 10.3586% and for 50x50km: 4.9937%.
Square area 10x10 km:
 0.74%
 2.83%
 0.89%
 1.19%
 1.34%
 1.64%
 1.04%
 1.19%
 0.89%
 0.74%
 87.5%Square area 50x50 km:
 0.46%
 0.68%
 0.44%
 0.48%
 0.68%
 0.64%
 0.71%
 0.94%
 0.75%
 3.64%
 90.57%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 1' 0.3" North, 9° 40' 8.8" East
48° 33' 12.5" North, 10° 22' 20" East
48° 5' 9.3" North, 11° 4' 31.3" East
Some cities around Gundelfingen sort by population:
• Giengen an der Brenz
		12.2 km =7.6 mi, 
308°
• Günzburg
		12.9 km =8 mi, 
212°
• Dillingen an der Donau
		9.6 km =6 mi, 
70°
• Lauingen
		4.3 km =2.7 mi, 
68°
• Burgau
		13.8 km =8.6 mi, 
168°
• Leipheim
		15.9 km =9.9 mi, 
223°
• Höchstädt an der Donau
		15.8 km =9.8 mi, 
65°
• Sontheim an der Brenz
		6 km =3.7 mi, 
268°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016