Night Light of Saint-Philbert-de-Grand-Lieu (Pays de la Loire) from space (France) Src. Average luminocity for 10x10km area is 3.9361% and for 50x50km: 11.2799%.
Square area 10x10 km:
 0.43%
 0.71%
 0.71%
 0.43%
 0%
 0.57%
 0.57%
 0.57%
 0.57%
 0%
 95.45%Square area 50x50 km:
 3.04%
 2.21%
 0.84%
 1.06%
 1.51%
 1.34%
 1.36%
 1.4%
 2.54%
 3.98%
 80.72%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 30' 46.3" North, 2° 20' 39.6" West
47° 2' 8.9" North, 1° 38' 28.3" West
46° 33' 16" North, 0° 56' 17.1" West
Some cities around Saint-Philbert-de-Grand-Lieu sort by population:
• Rezé
		17.6 km =10.9 mi, 
23°
• Bouguenais
		15.8 km =9.8 mi, 
5°
• Les Sorinières
		15.1 km =9.4 mi, 
34°
• Machecoul
		14.6 km =9.1 mi, 
251°
• La Montagne
		17 km =10.6 mi, 
349°
• Bouaye
		12.5 km =7.8 mi, 
341°
• La Chevrolière
		6.6 km =4.1 mi, 
21°
• Pont-Saint-Martin
		10.6 km =6.6 mi, 
23°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016