Night Light of L’Isle-d’Abeau (Auvergne-Rhône-Alpes) from space (France) Src. Average luminocity for 10x10km area is 42.95% and for 50x50km: 20.4979%.
Square area 10x10 km:
 8.33%
 10.91%
 4.24%
 2.27%
 4.09%
 6.36%
 2.58%
 5.15%
 21.82%
 30.45%
 3.79%Square area 50x50 km:
 3.75%
 4.06%
 1.56%
 2.02%
 2.2%
 2.77%
 2.9%
 4.3%
 6.51%
 10.85%
 59.07%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
46° 6' 33.2" North, 4° 31' 17.5" East
45° 37' 10.6" North, 5° 13' 28.8" East
45° 7' 32.4" North, 5° 55' 40" East
Some cities around L’Isle-d’Abeau sort by population:
• Bourgoin-Jallieu
		5.3 km =3.3 mi, 
134°
• Villefontaine
		5.8 km =3.6 mi, 
262°
• Charvieu-Chavagneux
		15.6 km =9.7 mi, 
338°
• La Tour-du-Pin
		18.1 km =11.2 mi, 
109°
• Saint-Quentin-Fallavier
		9.1 km =5.7 mi, 
286°
• La Verpillière
		6.4 km =4 mi, 
284°
• Saint-Bonnet-de-Mure
		17.1 km =10.6 mi, 
297°
• Tignieu
		14.9 km =9.3 mi, 
349°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016