Night Light of Portland (Texas) from space (United States) Src. Average luminocity for 10x10km area is 39.5871% and for 50x50km: 25.2397%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
28° 29' 49.2" North, 98° 1' 37.2" West
27° 52' 38.1" North, 97° 19' 26" West
27° 15' 14.2" North, 96° 37' 14.7" West
Some cities around Portland sort by population:
• Corpus Christi
11.1 km =6.9 mi, 219°
• Kingsville
66 km =41 mi, 232°
• Robstown
35.3 km =21.9 mi, 254°
• Rockport
30.8 km =19.1 mi, 58°
• Ingleside
11 km =6.8 mi, 89°
• Aransas Pass
17.5 km =10.9 mi, 78°
• Sinton
25.4 km =15.8 mi, 314°
• Mathis
55.1 km =34.2 mi, 296°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016