Night Light of La Roche-sur-Foron (Auvergne-Rhône-Alpes) from space (France) Src. Average luminocity for 10x10km area is 16.6491% and for 50x50km: 18.8722%.
Square area 10x10 km:
 1.42%
 1.99%
 1.7%
 1.14%
 1.42%
 2.98%
 2.56%
 2.7%
 2.27%
 28.98%
 52.84%Square area 50x50 km:
 2.86%
 3.54%
 1.5%
 1.64%
 2.16%
 2.58%
 3.23%
 3.32%
 5.4%
 15.59%
 58.18%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
46° 33' 24.3" North, 5° 36' 4.9" East
46° 4' 16" North, 6° 18' 16.2" East
45° 34' 52.1" North, 7° 0' 27.4" East
Some cities around La Roche-sur-Foron sort by population:
• Annemasse
		14.6 km =9.1 mi, 
339°
• Thônex, CH
		15.3 km =9.5 mi, 
328°
• Bonneville
		8 km =5 mi, 
82°
• Gaillard
		14.8 km =9.2 mi, 
329°
• Veyrier, CH
		14.1 km =8.8 mi, 
319°
• Vétraz-Monthoux
		12 km =7.5 mi, 
342°
• Reignier-Ésery
		7.5 km =4.7 mi, 
337°
• Marignier
		15.2 km =9.4 mi, 
82°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016