Night Light of Collombey (Valais) from space (Switzerland) Src. Average luminocity for 10x10km area is 21.2292% and for 50x50km: 6.3509%.
Square area 10x10 km:
 3.13%
 4.02%
 2.08%
 0.74%
 2.53%
 3.27%
 2.23%
 3.27%
 1.04%
 28.13%
 49.55%Square area 50x50 km:
 0.46%
 0.82%
 0.62%
 0.77%
 0.71%
 1.1%
 1.1%
 0.81%
 0.77%
 4.52%
 88.31%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
46° 45' 27.7" North, 6° 14' 41.2" East
46° 16' 25.9" North, 6° 56' 52.4" East
45° 47' 8.5" North, 7° 39' 3.7" East
Some cities around Collombey sort by population:
• Montreux
		17.9 km =11.1 mi, 
351°
• Monthey
		2.2 km =1.4 mi, 
167°
• Martigny-Ville
		21.3 km =13.2 mi, 
153°
• La Tour-de-Peilz
		21.1 km =13.1 mi, 
341°
• Aigle
		5.1 km =3.2 mi, 
14°
• Ollon
		4.2 km =2.6 mi, 
55°
• Bex
		5.5 km =3.4 mi, 
119°
• Fully
		19.8 km =12.3 mi, 
139°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016