Night Light of Piedmont (Oklahoma) from space (United States) Src. Average luminocity for 10x10km area is 26.8864% and for 50x50km: 31.6871%.
Square area 10x10 km:
 0%
 0%
 5.24%
 4.72%
 3.67%
 2.97%
 5.94%
 13.11%
 15.03%
 17.48%
 31.82%Square area 50x50 km:
 9.47%
 6.87%
 4.37%
 3.76%
 3.71%
 2.97%
 2.54%
 3.25%
 3.96%
 7.24%
 51.86%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
36° 12' 40.9" North, 98° 26' 58.4" West
35° 38' 31.2" North, 97° 44' 47.1" West
35° 4' 6.8" North, 97° 2' 35.9" West
Some cities around Piedmont sort by population:
• Oklahoma City
		28.4 km =17.6 mi, 
132°
• Edmond
		24.3 km =15.1 mi, 
87°
• Yukon
		15.1 km =9.4 mi, 
185°
• Mustang
		28.7 km =17.8 mi, 
176°
• Bethany
		17.2 km =10.7 mi, 
143°
• El Reno
		22.5 km =14 mi, 
237°
• Warr Acres
		17.6 km =10.9 mi, 
139°
• The Village
		19.8 km =12.3 mi, 
117°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016