Night Light of San Vito dei Normanni (Apulia) from space (Italy) Src. Average luminocity for 10x10km area is 22.5032% and for 50x50km: 15.8535%.
Square area 10x10 km:
 1.46%
 1.3%
 2.11%
 0.49%
 3.73%
 6.98%
 4.22%
 6.17%
 3.9%
 29.87%
 39.77%Square area 50x50 km:
 1.85%
 2.23%
 1.6%
 1.43%
 2.05%
 1.75%
 1.5%
 2.2%
 3.86%
 22.26%
 59.27%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 11' 15.7" North, 17° 0' 18.1" East
40° 39' 23.1" North, 17° 42' 29.3" East
40° 7' 15.2" North, 18° 24' 40.6" East
Some cities around San Vito dei Normanni sort by population:
• Francavilla Fontana
		17.4 km =10.8 mi, 
216°
• Mesagne
		13.8 km =8.6 mi, 
142°
• Ostuni
		13.7 km =8.5 mi, 
306°
• Ceglie Messapica
		16.2 km =10.1 mi, 
265°
• Oria
		18.2 km =11.3 mi, 
197°
• Latiano
		11.8 km =7.3 mi, 
175°
• Carovigno
		6.9 km =4.3 mi, 
322°
• San Michele Salentino
		6.9 km =4.3 mi, 
246°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016