Night Light of Ortuella (Basque Country) from space (Spain) Src. Average luminocity for 10x10km area is 68.2212% and for 50x50km: 17.9844%.
Square area 10x10 km:
 21.36%
 20.45%
 4.55%
 6.52%
 7.27%
 8.03%
 6.67%
 5.15%
 13.18%
 6.82%
 0%Square area 50x50 km:
 2.95%
 3.43%
 1.71%
 1.8%
 2.23%
 2.72%
 2.18%
 2.77%
 5.4%
 11.94%
 62.89%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
43° 49' 14.2" North, 3° 45' 33.5" West
43° 18' 40.1" North, 3° 3' 22.2" West
42° 47' 50.5" North, 2° 21' 11" West
Some cities around Ortuella sort by population:
• Barakaldo
		5.7 km =3.5 mi, 
106°
• Algorta
		5.7 km =3.5 mi, 
41°
• Getxo
		6.2 km =3.9 mi, 
35°
• Portugalete
		3.1 km =1.9 mi, 
69°
• Santurtzi
		2.7 km =1.7 mi, 
44°
• Leioa
		5.7 km =3.5 mi, 
72°
• Sestao
		4 km =2.5 mi, 
92°
• Zierbena
		4.8 km =3 mi, 
333°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016