Night Light of Alfena (Porto) from space (Portugal) Src. Average luminocity for 10x10km area is 79.2825% and for 50x50km: 60.2998%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 45' 47.9" North, 9° 13' 39.6" West
41° 14' 12.2" North, 8° 31' 28.3" West
40° 42' 21" North, 7° 49' 17.1" West
Some cities around Alfena sort by population:
• Rio Tinto
7.1 km =4.4 mi, 204°
• Ermesinde
3.3 km =2.1 mi, 226°
• Águas Santas
5.2 km =3.2 mi, 235°
• Valongo
5.7 km =3.5 mi, 157°
• Baguim do Monte
5.2 km =3.2 mi, 195°
• Pedrouços
7.4 km =4.6 mi, 224°
• São Romão do Coronado
6.3 km =3.9 mi, 329°
• Sobrado
6.5 km =4 mi, 116°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016