Night Light of San Pietro Vernotico (Apulia) from space (Italy) Src. Average luminocity for 10x10km area is 29.852% and for 50x50km: 22.1021%.
Square area 10x10 km:
 4.76%
 4.93%
 2.89%
 1.53%
 1.87%
 3.74%
 2.38%
 2.38%
 8.16%
 64.29%
 3.06%Square area 50x50 km:
 2.99%
 4.05%
 2.43%
 2.05%
 3.04%
 2.71%
 2.4%
 3.15%
 8.06%
 19.4%
 49.72%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 1' 17.5" North, 17° 17' 39.8" East
40° 29' 20" North, 17° 59' 51.1" East
39° 57' 7.3" North, 18° 42' 2.3" East
Some cities around San Pietro Vernotico sort by population:
• Squinzano
		7 km =4.3 mi, 
148°
• Trepuzzi
		11.4 km =7.1 mi, 
144°
• Campi Salentina
		10.4 km =6.5 mi, 
168°
• Salice Salentino
		12 km =7.5 mi, 
194°
• Novoli
		13.2 km =8.2 mi, 
161°
• San Donaci
		7.8 km =4.8 mi, 
234°
• Cellino San Marco
		3.4 km =2.1 mi, 
235°
• Torchiarolo
		4.6 km =2.9 mi, 
97°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016