Night Light of Portoviejo (Manabí) from space (Ecuador) Src. Average luminocity for 10x10km area is 65.2035% and for 50x50km: 11.8111%.
Square area 10x10 km:
 18.18%
 17.32%
 10.39%
 7.58%
 3.46%
 1.73%
 8.66%
 9.52%
 20.56%
 2.6%
 0%Square area 50x50 km:
 0.8%
 1.04%
 1.74%
 1.72%
 2.34%
 1.07%
 2.45%
 2.53%
 3.23%
 9.43%
 73.65%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
0° 21' 5.4" South, 81° 9' 27.3" West
1° 3' 16.5" South, 80° 27' 16" West
1° 45' 27" South, 79° 45' 4.8" West
Some cities around Portoviejo sort by population:
• Manta
		30.5 km =19 mi, 
289°
• Jipijapa
		35.5 km =22.1 mi, 
202°
• Montecristi
		22.7 km =14.1 mi, 
272°
• Sucre
		25.3 km =15.7 mi, 
171°
• Tosagua
		38.5 km =23.9 mi, 
39°
• Santa Ana
		19.3 km =12 mi, 
151°
• Rocafuerte
		14.6 km =9.1 mi, 
2°
• Junín
		31 km =19.3 mi, 
62°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016