Night Light of Vannes (Brittany) from space (France) Src. Average luminocity for 10x10km area is 40.7708% and for 50x50km: 3.5096%.
Square area 10x10 km:
 9.97%
 11.76%
 2.68%
 3.57%
 3.42%
 2.68%
 2.23%
 2.68%
 11.46%
 38.54%
 11.01%Square area 50x50 km:
 0.5%
 0.75%
 0.26%
 0.39%
 0.22%
 0.33%
 0.54%
 0.6%
 0.68%
 2.16%
 93.56%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
48° 7' 45.7" North, 3° 27' 31.9" West
47° 39' 28.4" North, 2° 45' 20.7" West
47° 10' 55.8" North, 2° 3' 9.4" West
Some cities around Vannes sort by population:
• Auray
		17.7 km =11 mi, 
274°
• Saint-Avé
		3.7 km =2.3 mi, 
10°
• Séné
		4.5 km =2.8 mi, 
162°
• Sarzeau
		14.5 km =9 mi, 
184°
• Questembert
		22.7 km =14.1 mi, 
88°
• Theix
		8.4 km =5.2 mi, 
112°
• Arradon
		6 km =3.7 mi, 
235°
• Brech
		19.5 km =12.1 mi, 
291°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016