Night Light of Sandim (Porto) from space (Portugal) Src. Average luminocity for 10x10km area is 75.0204% and for 50x50km: 47.2683%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 33' 47.9" North, 9° 12' 36.5" West
41° 2' 6.3" North, 8° 30' 25.2" West
40° 30' 9.3" North, 7° 48' 14" West
Some cities around Sandim sort by population:
• Grijó
6.2 km =3.9 mi, 263°
• Lourosa
6.8 km =4.2 mi, 213°
• Argoncilhe
2.9 km =1.8 mi, 248°
• Fiães
4.8 km =3 mi, 198°
• Foz do Sousa
6.9 km =4.3 mi, 3°
• Perozinho
7.4 km =4.6 mi, 296°
• Lobão
5.7 km =3.5 mi, 161°
• Olival
3.5 km =2.2 mi, 298°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016