Night Light of St. Marys (Georgia) from space (United States) Src. Average luminocity for 10x10km area is 28.1469% and for 50x50km: 11.4983%.
Square area 10x10 km:
 0.7%
 0.7%
 2.45%
 8.22%
 9.97%
 0.87%
 4.37%
 7.34%
 4.37%
 33.22%
 27.8%Square area 50x50 km:
 0.51%
 0.62%
 0.37%
 2.45%
 3.58%
 1.32%
 1.76%
 3.12%
 3.17%
 11.97%
 71.12%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
31° 19' 58.8" North, 82° 14' 58.6" West
30° 43' 49.8" North, 81° 32' 47.4" West
30° 7' 27.2" North, 80° 50' 36.1" West
Some cities around St. Marys sort by population:
• Jacksonville
		45.5 km =28.3 mi, 
193°
• Kingsland
		15.7 km =9.8 mi, 
299°
• Brunswick
		46.9 km =29.1 mi, 
6°
• Atlantic Beach
		46.3 km =28.8 mi, 
162°
• Fernandina Beach
		10.5 km =6.5 mi, 
130°
• Yulee
		12.4 km =7.7 mi, 
207°
• Nassau Village-Ratliff
		35 km =21.7 mi, 
225°
• Folkston
		45.8 km =28.5 mi, 
284°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016