Night Light of Cantagalo (Rio de Janeiro) from space (Brazil) Src. Average luminocity for 10x10km area is 18.9464% and for 50x50km: 4.0285%.
Square area 10x10 km:
 0.79%
 0.99%
 4.37%
 4.56%
 1.59%
 2.58%
 2.98%
 1.98%
 0.99%
 17.66%
 61.51%Square area 50x50 km:
 0.1%
 0.26%
 0.61%
 0.95%
 0.62%
 0.69%
 0.65%
 0.56%
 0.38%
 1.88%
 93.3%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
21° 19' 39.4" South, 43° 4' 16.3" West
21° 58' 52" South, 42° 22' 5" West
22° 37' 53.8" South, 41° 39' 53.8" West
Some cities around Cantagalo sort by population:
• Nova Friburgo
		37.4 km =23.2 mi, 
206°
• Além Paraíba
		36.2 km =22.5 mi, 
286°
• Santo Antônio de Pádua
		52.8 km =32.8 mi, 
21°
• Itaocara
		45.9 km =28.5 mi, 
40°
• Cordeiro
		5.3 km =3.3 mi, 
171°
• Sapucaia
		56.4 km =35 mi, 
268°
• Carmo
		25.4 km =15.8 mi, 
282°
• Recreio
		51.8 km =32.2 mi, 
348°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016