Night Light of Saint-Pol-de-Léon (Brittany) from space (France) Src. Average luminocity for 10x10km area is 1.9598% and for 50x50km: 1.1646%.
Square area 10x10 km:
 0%
 0%
 0.45%
 1.04%
 0%
 0.15%
 0.45%
 0%
 0.6%
 0.89%
 96.43%Square area 50x50 km:
 0.09%
 0.14%
 0.18%
 0.2%
 0.16%
 0.16%
 0.16%
 0.15%
 0.1%
 0.13%
 98.55%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 8' 43.5" North, 4° 41' 11.3" West
48° 40' 60" North, 3° 58' 60" West
48° 13' 1.1" North, 3° 16' 48.8" West
Some cities around Saint-Pol-de-Léon sort by population:
• Lannion
		39.1 km =24.3 mi, 
81°
• Morlaix
		16.4 km =10.2 mi, 
135°
• Landerneau
		32.4 km =20.1 mi, 
217°
• Guipavas
		41.1 km =25.5 mi, 
227°
• Landivisiau
		20.5 km =12.7 mi, 
197°
• Plabennec
		38.3 km =23.8 mi, 
238°
• Lesneven
		27.7 km =17.2 mi, 
243°
• Plouguerneau
		39.1 km =24.3 mi, 
256°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016