Night Light of Clarksville (Indiana) from space (United States) Src. Average luminocity for 10x10km area is 92.3469% and for 50x50km: 43.4254%.
Square area 10x10 km:
 34.86%
 35.54%
 10.54%
 15.31%
 3.74%
 0%
 0%
 0%
 0%
 0%
 0%Square area 50x50 km:
 12.41%
 10.5%
 5.95%
 5.04%
 5.42%
 4.32%
 3.86%
 4.1%
 5.6%
 7.69%
 35.09%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 50' 47.3" North, 86° 27' 47.1" West
38° 17' 48.3" North, 85° 45' 35.9" West
37° 44' 34.2" North, 85° 3' 24.6" West
Some cities around Clarksville sort by population:
• Louisville
		4.7 km =2.9 mi, 
179°
• Jeffersonville
		2.9 km =1.8 mi, 
136°
• New Albany
		5.7 km =3.5 mi, 
257°
• Saint Matthews
		10.3 km =6.4 mi, 
118°
• Shively
		12.1 km =7.5 mi, 
207°
• Saint Dennis
		14.2 km =8.8 mi, 
211°
• Sellersburg
		11.3 km =7 mi, 
2°
• Oak Park
		5.6 km =3.5 mi, 
79°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016