Night Light of Portland (England) from space (United Kingdom) Src. Average luminocity for 10x10km area is 13.3302% and for 50x50km: 1.7411%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 0' 43.1" North, 3° 8' 52.2" West
50° 34' 2.9" North, 2° 26' 41" West
50° 7' 7.5" North, 1° 44' 29.7" West
Some cities around Portland sort by population:
• Poole
36.3 km =22.6 mi, 63°
• Weymouth
5.3 km =3.3 mi, 348°
• Dorchester
16.6 km =10.3 mi, 2°
• Bridport
28.8 km =17.9 mi, 309°
• Swanage
34.3 km =21.3 mi, 82°
• Broadstone
38.1 km =23.7 mi, 56°
• Easton
3.8 km =2.4 mi, 185°
• Wareham
27.1 km =16.8 mi, 60°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016