Night Light of Guilherand-Granges (Auvergne-Rhône-Alpes) from space (France) Src. Average luminocity for 10x10km area is 64.5746% and for 50x50km: 11.1599%.
Square area 10x10 km:
 18.73%
 21.9%
 7.14%
 3.65%
 4.29%
 5.4%
 6.67%
 8.1%
 10.95%
 12.54%
 0.63%Square area 50x50 km:
 1.48%
 2.26%
 0.97%
 1.09%
 1.19%
 1.23%
 1.61%
 1.42%
 3.16%
 9.75%
 75.84%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
45° 25' 42.2" North, 4° 10' 14.2" East
44° 55' 58" North, 4° 52' 25.4" East
44° 25' 58.3" North, 5° 34' 36.7" East
Some cities around Guilherand-Granges sort by population:
• Valence
		2.9 km =1.8 mi, 
105°
• Bourg-lès-Valence
		2.3 km =1.4 mi, 
46°
• Tournon-sur-Rhône
		15.2 km =9.4 mi, 
347°
• Portes-lès-Valence
		6.3 km =3.9 mi, 
179°
• Saint-Péray
		2.9 km =1.8 mi, 
308°
• Chabeuil
		11.7 km =7.3 mi, 
109°
• Tain-l’Hermitage
		15 km =9.3 mi, 
354°
• La Voulte-sur-Rhône
		16.6 km =10.3 mi, 
206°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016