Night Light of Castelões de Cepeda (Porto) from space (Portugal) Src. Average luminocity for 10x10km area is 77.9756% and for 50x50km: 55.6186%.
Square area 10x10 km:
 10.06%
 10.06% 20.94%
 20.94% 14.61%
 14.61% 24.68%
 24.68% 18.51%
 18.51% 6.33%
 6.33% 3.25%
 3.25% 1.62%
 1.62% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 11.26%
 11.26% 10.54%
 10.54% 7.26%
 7.26% 9.34%
 9.34% 10.94%
 10.94% 8.97%
 8.97% 7.71%
 7.71% 6.66%
 6.66% 7.53%
 7.53% 8.38%
 8.38% 11.41%
 11.41%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 43' 46.3" North, 9° 2' 17.8" West
41° 12' 9.5" North, 8° 20' 6.6" West
40° 40' 17.4" North, 7° 37' 55.3" West
Some cities around Castelões de Cepeda sort by population:
• Paredes
		0.4 km =0.2 mi,  51°
51°
• Perafita
		7.1 km =4.4 mi,  108°
108°
• Rebordosa
		6.4 km =4 mi,  291°
291°
• Lordelo
		6.7 km =4.2 mi,  301°
301°
• Madalena
		1.5 km =0.9 mi,  2°
2°
• Penafiel
		4.4 km =2.7 mi,  81°
81°
• Paços de Ferreira
		8.9 km =5.5 mi,  337°
337°
• Gandra
		8.3 km =5.2 mi,  268°
268°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016