Night Light of De Bilt (Utrecht) from space (Netherlands) Src. Average luminocity for 10x10km area is 54.2183% and for 50x50km: 26.9509%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 32' 23" North, 4° 28' 38.8" East
52° 6' 36" North, 5° 10' 50" East
51° 40' 33.9" North, 5° 53' 1.3" East
Some cities around De Bilt sort by population:
• Utrecht
4.5 km =2.8 mi, 241°
• Zeist
4.2 km =2.6 mi, 121°
• Soest
10.3 km =6.4 mi, 47°
• Maarssen
10 km =6.2 mi, 288°
• Driebergen-Rijsenburg
9.3 km =5.8 mi, 132°
• Lunetten
6.2 km =3.9 mi, 210°
• Bunnik
5 km =3.1 mi, 165°
• Odijk
7.4 km =4.6 mi, 149°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016