Night Light of Mira (Coimbra) from space (Portugal) Src. Average luminocity for 10x10km area is 27.7177% and for 50x50km: 19.3383%.
Square area 10x10 km:
 1.02%
 2.38%
 2.72%
 1.7%
 7.48%
 6.63%
 4.25%
 4.93%
 11.22%
 36.56%
 21.09%Square area 50x50 km:
 1.46%
 2.67%
 1.81%
 1.82%
 3.27%
 4.15%
 3.12%
 5.37%
 8.4%
 12.32%
 55.61%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 57' 43.2" North, 9° 26' 26.1" West
40° 25' 44.1" North, 8° 44' 14.9" West
39° 53' 29.7" North, 8° 2' 3.6" West
Some cities around Mira sort by population:
• Ílhavo
		20.1 km =12.5 mi, 
16°
• Gafanha da Nazaré
		23.1 km =14.4 mi, 
5°
• Cantanhede
		15.2 km =9.4 mi, 
126°
• Aradas
		22.8 km =14.2 mi, 
20°
• Oiã
		21 km =13 mi, 
53°
• Arcos
		25.1 km =15.6 mi, 
85°
• Oliveira do Bairro
		22.7 km =14.1 mi, 
65°
• Arazede
		17.5 km =10.9 mi, 
154°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016