Night Light of Belley (Auvergne-Rhône-Alpes) from space (France) Src. Average luminocity for 10x10km area is 12.4413% and for 50x50km: 8.6754%.
Square area 10x10 km:
 1.9%
 1.27%
 0.79%
 1.11%
 0.48%
 3.65%
 3.81%
 1.59%
 0.32%
 1.75%
 83.33%Square area 50x50 km:
 1.02%
 1.26%
 0.67%
 0.92%
 1.03%
 1.27%
 1.41%
 1.75%
 2.88%
 4.74%
 83.06%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
46° 14' 51.3" North, 4° 59' 6" East
45° 45' 33" North, 5° 41' 17.3" East
45° 15' 59.3" North, 6° 23' 28.5" East
Some cities around Belley sort by population:
• Chambéry
		28.1 km =17.5 mi, 
139°
• Aix-les-Bains
		18.7 km =11.6 mi, 
113°
• La Motte-Servolex
		22.8 km =14.2 mi, 
142°
• Rumilly
		22.9 km =14.2 mi, 
60°
• La Tour-du-Pin
		28.6 km =17.8 mi, 
221°
• Cognin
		27.2 km =16.9 mi, 
144°
• Saint-Alban-Leysse
		28.2 km =17.5 mi, 
133°
• Barberaz
		29.6 km =18.4 mi, 
137°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016