Night Light of La Llave (Querétaro) from space (Mexico) Src. Average luminocity for 10x10km area is 37.6098% and for 50x50km: 21.5812%.
Square area 10x10 km:
 1.52%
 1.7%
 9.85%
 3.41%
 7.77%
 3.79%
 12.12%
 7.95%
 13.83%
 34.09%
 3.98%Square area 50x50 km:
 1.05%
 1.51%
 3.22%
 3.26%
 4.49%
 2.99%
 4.92%
 4.26%
 8.15%
 17.24%
 48.91%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
21° 7' 25" North, 100° 41' 48.7" West
20° 27' 58.6" North, 99° 59' 37.4" West
19° 48' 22.1" North, 99° 17' 26.2" West
Some cities around La Llave sort by population:
• San Juan del Río
		8.6 km =5.3 mi, 
181°
• Tequisquiapan
		12.3 km =7.6 mi, 
59°
• Pedro Escobedo
		16 km =9.9 mi, 
283°
• El Saúz
		12.7 km =7.9 mi, 
275°
• La Lira
		17.5 km =10.9 mi, 
273°
• La Estancia
		9.1 km =5.7 mi, 
236°
• La Valla
		5.1 km =3.2 mi, 
317°
• San Nicolás
		6 km =3.7 mi, 
78°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016