Night Light of Vallet (Pays de la Loire) from space (France) Src. Average luminocity for 10x10km area is 3.2426% and for 50x50km: 11.0371%.
Square area 10x10 km:
 0%
 0%
 0%
 0.3%
 1.49%
 0.6%
 0.6%
 0.74%
 0.45%
 0.15%
 95.68%Square area 50x50 km:
 2.91%
 2.11%
 0.73%
 0.99%
 1.32%
 1.43%
 1.47%
 1.35%
 2.28%
 4.03%
 81.37%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 38' 17.5" North, 1° 58' 9.1" West
47° 9' 44.2" North, 1° 15' 57.9" West
46° 40' 55.4" North, 0° 33' 46.6" West
Some cities around Vallet sort by population:
• Saint-Sébastien-sur-Loire
		18.6 km =11.6 mi, 
285°
• Vertou
		15.4 km =9.6 mi, 
272°
• Basse-Goulaine
		16.2 km =10.1 mi, 
289°
• Thouaré-sur-Loire
		17.6 km =10.9 mi, 
312°
• Saint-Julien-de-Concelles
		13.5 km =8.4 mi, 
318°
• Clisson
		8.4 km =5.2 mi, 
188°
• Le Loroux-Bottereau
		10.5 km =6.5 mi, 
323°
• Haute-Goulaine
		13 km =8.1 mi, 
288°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016