Night Light of Valongo (Aveiro) from space (Portugal) Src. Average luminocity for 10x10km area is 36.1412% and for 50x50km: 25.7557%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 8' 53.8" North, 9° 9' 11.2" West
40° 37' 0" North, 8° 27' 0" West
40° 4' 50.9" North, 7° 44' 48.7" West
Some cities around Valongo sort by population:
• Aveiro
16.8 km =10.4 mi, 280°
• Esgueira
15.6 km =9.7 mi, 283°
• Águeda
4.4 km =2.7 mi, 173°
• Albergaria-a-Velha
8.9 km =5.5 mi, 343°
• Aradas
16.2 km =10.1 mi, 271°
• Oiã
11.1 km =6.9 mi, 222°
• Oliveira do Bairro
11.9 km =7.4 mi, 198°
• Eixo
10.1 km =6.3 mi, 276°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016