Night Light of Sønderborg (South Denmark) from space (Denmark) Src. Average luminocity for 10x10km area is 11.4928% and for 50x50km: 2.5905%.
Square area 10x10 km:
 2.39%
 2.39%
 0.48%
 0.6%
 1.79%
 1.67%
 1.2%
 0%
 0.96%
 2.87%
 85.65%Square area 50x50 km:
 0.45%
 0.54%
 0.22%
 0.17%
 0.26%
 0.19%
 0.26%
 0.62%
 0.69%
 1.38%
 95.21%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
55° 18' 40.1" North, 9° 5' 9.8" East
54° 54' 32.3" North, 9° 47' 21" East
54° 30' 9.8" North, 10° 29' 32.3" East
Some cities around Sønderborg sort by population:
• Flensburg, DE
		26.3 km =16.3 mi, 
238°
• Aabenraa
		28.1 km =17.5 mi, 
302°
• Harrislee, DE
		28.7 km =17.8 mi, 
244°
• Kappeln, DE
		29 km =18 mi, 
161°
• Nordborg
		16.8 km =10.4 mi, 
349°
• Handewitt, DE
		33.2 km =20.6 mi, 
241°
• Glücksburg, DE
		17.4 km =10.8 mi, 
241°
• Rødekro
		34.1 km =21.2 mi, 
301°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016