Night Light of Ventosa (Lisbon) from space (Portugal) Src. Average luminocity for 10x10km area is 19.1218% and for 50x50km: 30.6129%.
Square area 10x10 km:
 0%
 0.65%
 2.6%
 1.14%
 4.22%
 3.73%
 4.22%
 5.36%
 4.22%
 27.27%
 46.59%Square area 50x50 km:
 1.96%
 3.86%
 3.55%
 3.19%
 5.32%
 5.43%
 5.13%
 8.22%
 13.43%
 25.09%
 24.82%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 40' 13" North, 9° 47' 14.5" West
39° 7' 37.1" North, 9° 5' 3.2" West
38° 34' 45.8" North, 8° 22' 52" West
Some cities around Ventosa sort by population:
• Torres Vedras
		15.6 km =9.7 mi, 
255°
• Carregado
		14.8 km =9.2 mi, 
141°
• Alenquer
		10.4 km =6.5 mi, 
141°
• Castanheira do Ribatejo
		17.7 km =11 mi, 
147°
• Azambuja
		19.7 km =12.2 mi, 
108°
• A dos Cunhados
		18.6 km =11.6 mi, 
278°
• Arruda dos Vinhos
		15.9 km =9.9 mi, 
177°
• Bombarral
		16.8 km =10.4 mi, 
337°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016