Night Light of Guyancourt (Île-de-France) from space (France) Src. Average luminocity for 10x10km area is 70.2202% and for 50x50km: 55.1593%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 14' 4.5" North, 1° 22' 14.9" East
48° 46' 24" North, 2° 4' 26.1" East
48° 18' 28.1" North, 2° 46' 37.4" East
Some cities around Guyancourt sort by population:
• Saint-Quentin-en-Yvelines
4 km =2.5 mi, 267°
• Montigny-le-Bretonneux
3 km =1.9 mi, 255°
• Trappes
4.1 km =2.5 mi, 271°
• Saint-Cyr-l’École
2.8 km =1.7 mi, 351°
• Voisins-le-Bretonneux
2.4 km =1.5 mi, 223°
• Bois-d’Arcy
4.7 km =2.9 mi, 308°
• Magny-les-Hameaux
3.4 km =2.1 mi, 195°
• Buc
3.8 km =2.4 mi, 85°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016