Night Light of Rochester (Indiana) from space (United States) Src. Average luminocity for 10x10km area is 14.8506% and for 50x50km: 1.3715%.
Square area 10x10 km:
 0.49%
 2.76%
 2.11%
 0.49%
 3.25%
 1.46%
 4.38%
 2.44%
 1.62%
 2.44%
 78.57%Square area 50x50 km:
 0.02%
 0.15%
 0.14%
 0.05%
 0.36%
 0.31%
 0.28%
 0.28%
 0.44%
 0.31%
 97.67%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 35' 33.9" North, 86° 55' 8.3" West
41° 3' 53.1" North, 86° 12' 57" West
40° 31' 57" North, 85° 30' 45.8" West
Some cities around Rochester sort by population:
• Logansport
		36.5 km =22.7 mi, 
198°
• Warsaw
		36 km =22.4 mi, 
57°
• Peru
		36.7 km =22.8 mi, 
160°
• Wabash
		44.5 km =27.7 mi, 
131°
• Plymouth
		32 km =19.9 mi, 
345°
• Nappanee
		45.7 km =28.4 mi, 
23°
• North Manchester
		38.2 km =23.7 mi, 
100°
• Grissom Air Force Base
		45.6 km =28.3 mi, 
172°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016