Night Light of Saint-Jean-d’Illac (Nouvelle-Aquitaine) from space (France) Src. Average luminocity for 10x10km area is 26.2984% and for 50x50km: 24.1557%.
Square area 10x10 km:
 1.59%
 3.81%
 3.33%
 2.06%
 3.49%
 3.97%
 2.7%
 7.46%
 15.08%
 23.02%
 33.49%Square area 50x50 km:
 6.01%
 4.79%
 2.34%
 2.53%
 3.19%
 2.92%
 2.88%
 2.96%
 4.2%
 12.48%
 55.69%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
45° 18' 19.3" North, 1° 29' 19.6" West
44° 48' 31.3" North, 0° 47' 8.3" West
44° 18' 27.7" North, 0° 4' 57.1" West
Some cities around Saint-Jean-d’Illac sort by population:
• Mérignac
		12.3 km =7.6 mi, 
77°
• Pessac
		11.4 km =7.1 mi, 
89°
• Eysines
		13.7 km =8.5 mi, 
52°
• Cestas
		11.1 km =6.9 mi, 
130°
• Le Haillan
		10.9 km =6.8 mi, 
49°
• Le Taillan-Médoc
		14.1 km =8.8 mi, 
40°
• Martignas-sur-Jalle
		4.1 km =2.5 mi, 
5°
• Canéjan
		12.9 km =8 mi, 
111°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016