Night Light of Portland (Maine) from space (United States) Src. Average luminocity for 10x10km area is 61.7424% and for 50x50km: 10.7352%.
Square area 10x10 km:
 12.73%
 20.3%
 8.18%
 8.18%
 8.18%
 5.76%
 4.55%
 3.64%
 8.94%
 14.85%
 4.7%Square area 50x50 km:
 1.29%
 1.96%
 1.31%
 1.18%
 1.67%
 1.28%
 1.55%
 1.21%
 3.1%
 7.08%
 78.36%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
44° 9' 50.1" North, 70° 57' 43.3" West
43° 39' 26.5" North, 70° 15' 32" West
43° 8' 47.5" North, 69° 33' 20.8" West
Some cities around Portland sort by population:
• West Scarborough
		14.2 km =8.8 mi, 
227°
• South Portland
		2.3 km =1.4 mi, 
140°
• South Portland Gardens
		5 km =3.1 mi, 
245°
• Westbrook
		9.3 km =5.8 mi, 
283°
• Old Orchard Beach
		18.3 km =11.4 mi, 
211°
• Buxton
		21 km =13 mi, 
264°
• Gorham
		15.1 km =9.4 mi, 
279°
• Yarmouth
		17 km =10.6 mi, 
20°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016