Night Light of Keystone (Florida) from space (United States) Src. Average luminocity for 10x10km area is 60.6004% and for 50x50km: 56.9733%.
Square area 10x10 km:
 3.6%
 5.11%
 4.92%
 4.55%
 31.82%
 21.4%
 23.67%
 4.92%
 0%
 0%
 0%Square area 50x50 km:
 15.38%
 12%
 6.19%
 8.27%
 14.47%
 5.57%
 4.11%
 3.42%
 7%
 8.03%
 15.56%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
28° 46' 26.3" North, 83° 19' 27.6" West
28° 9' 21.1" North, 82° 37' 16.4" West
27° 32' 2.9" North, 81° 55' 5.1" West
Some cities around Keystone sort by population:
• East Lake
		8.8 km =5.5 mi, 
235°
• Citrus Park
		10 km =6.2 mi, 
149°
• Greater Northdale
		10.9 km =6.8 mi, 
120°
• Westchase
		11.3 km =7 mi, 
174°
• Elfers
		12 km =7.5 mi, 
304°
• Trinity
		6.6 km =4.1 mi, 
295°
• Cheval
		10.5 km =6.5 mi, 
94°
• Odessa
		5.1 km =3.2 mi, 
34°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016