Night Light of São Miguel do Couto (Porto) from space (Portugal) Src. Average luminocity for 10x10km area is 62.6582% and for 50x50km: 66.421%.
Square area 10x10 km:
 2.21%
 2.21% 11.22%
 11.22% 7.48%
 7.48% 8.84%
 8.84% 23.3%
 23.3% 20.58%
 20.58% 14.63%
 14.63% 11.73%
 11.73% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 13.65%
 13.65% 13.54%
 13.54% 8.67%
 8.67% 10.93%
 10.93% 13.95%
 13.95% 11.55%
 11.55% 9.84%
 9.84% 8.02%
 8.02% 6.03%
 6.03% 2.65%
 2.65% 1.17%
 1.17%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 51' 27" North, 9° 9' 53.9" West
41° 19' 54" North, 8° 27' 42.7" West
40° 48' 5.6" North, 7° 45' 31.4" West
Some cities around São Miguel do Couto sort by population:
• Bougado
		7.6 km =4.7 mi,  276°
276°
• Trofa
		8.2 km =5.1 mi,  274°
274°
• Santo Tirso
		1.8 km =1.1 mi,  312°
312°
• Ribeirão
		9.4 km =5.8 mi,  290°
290°
• Aves
		6.1 km =3.8 mi,  45°
45°
• Ferreiros
		7.6 km =4.7 mi,  285°
285°
• Paços de Ferreira
		9.4 km =5.8 mi,  130°
130°
• Negrelos
		5.4 km =3.4 mi,  68°
68°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016