Night Light of Prüm (Rheinland-Pfalz) from space (Germany) Src. Average luminocity for 10x10km area is 1.9465% and for 50x50km: 1.0479%.
Square area 10x10 km:
 0%
 0.53%
 0.53%
 0.4%
 0.13%
 0.53%
 0%
 0%
 0.27%
 0.53%
 97.06%Square area 50x50 km:
 0.09%
 0.13%
 0.2%
 0.1%
 0.23%
 0.15%
 0.14%
 0.22%
 0.13%
 0.11%
 98.5%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
50° 39' 20.6" North, 5° 43' 1.4" East
50° 12' 28.3" North, 6° 25' 12.7" East
49° 45' 20.6" North, 7° 7' 23.9" East
Some cities around Prüm sort by population:
• Bitburg
		27.7 km =17.2 mi, 
164°
• Saint-Vith, BE
		22.4 km =13.9 mi, 
291°
• Blankenheim
		29.9 km =18.6 mi, 
33°
• Daun
		29.1 km =18.1 mi, 
92°
• Gerolstein
		17.1 km =10.6 mi, 
84°
• Butgenbach, BE
		28.7 km =17.8 mi, 
327°
• Bullange, BE
		25 km =15.5 mi, 
332°
• Amblève, BE
		24.1 km =15 mi, 
312°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016