Night Light of Valongo (Porto) from space (Portugal) Src. Average luminocity for 10x10km area is 81.6672% and for 50x50km: 59.0814%.
Square area 10x10 km:
32.79%
19.64%
6.82%
10.88%
10.88%
7.14%
10.06%
1.79%
0%
0%
0%Square area 50x50 km:
14.96%
12.67%
7.17%
9.55%
10.77%
7.94%
6.16%
5.59%
6.5%
6.6%
12.09%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 42' 57" North, 9° 12' 6.1" West
41° 11' 19.8" North, 8° 29' 54.9" West
40° 39' 27.2" North, 7° 47' 43.6" West
Some cities around Valongo sort by population:
• Rio Tinto
5.2 km =3.2 mi,
257°
• Ermesinde
5.5 km =3.4 mi,
303°
• Fânzeres
3.5 km =2.2 mi,
227°
• São Pedro da Cova
5.1 km =3.2 mi,
181°
• Baguim do Monte
3.6 km =2.2 mi,
275°
• Campo
2.8 km =1.7 mi,
98°
• Sobrado
4.4 km =2.7 mi,
56°
• Gandra
5.6 km =3.5 mi,
75°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016