Night Light of Silveira (Lisbon) from space (Portugal) Src. Average luminocity for 10x10km area is 46.8442% and for 50x50km: 21.8229%.
Square area 10x10 km:
2.92%
4.55%
6.98%
7.47%
11.53%
10.06%
10.71%
13.8%
12.99%
15.42%
3.57%Square area 50x50 km:
1%
2.46%
2.49%
2.38%
4.31%
4.48%
4.03%
6.92%
10.83%
14.93%
46.18%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 39' 16.8" North, 10° 4' 2.7" West
39° 6' 40.3" North, 9° 21' 51.5" West
38° 33' 48.7" North, 8° 39' 40.2" West
Some cities around Silveira sort by population:
• Torres Vedras
9.4 km =5.8 mi,
103°
• Mafra
19.5 km =12.1 mi,
170°
• Lourinhã
15.2 km =9.4 mi,
17°
• Ericeira
17.1 km =10.6 mi,
195°
• A dos Cunhados
7.4 km =4.6 mi,
51°
• Milharado
23.1 km =14.4 mi,
141°
• Bombarral
24.8 km =15.4 mi,
45°
• Ventosa
24.2 km =15 mi,
85°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016