Night Light of Columbia (Maryland) from space (United States) Src. Average luminocity for 10x10km area is 75.6105% and for 50x50km: 63.6625%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 46' 58.2" North, 77° 32' 33.2" West
39° 14' 25.4" North, 76° 50' 21.9" West
38° 41' 37.3" North, 76° 8' 10.7" West
Some cities around Columbia sort by population:
• Ellicott City
4.6 km =2.9 mi, 49°
• Catonsville
9.9 km =6.2 mi, 69°
• Hanover
11.2 km =7 mi, 118°
• West Elkridge
10.4 km =6.5 mi, 110°
• Ilchester
6.5 km =4 mi, 79°
• Elkridge
11.3 km =7 mi, 105°
• Jessup
11.5 km =7.1 mi, 151°
• Riverside
8.4 km =5.2 mi, 207°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016