Night Light of Longjumeau (Île-de-France) from space (France) Src. Average luminocity for 10x10km area is 93.7188% and for 50x50km: 61.2564%.
Square area 10x10 km:
 46.28%
 46.28% 31.4%
 31.4% 8.63%
 8.63% 7.89%
 7.89% 5.06%
 5.06% 0.74%
 0.74% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 27.88%
 27.88% 14.84%
 14.84% 4.2%
 4.2% 4.37%
 4.37% 4.98%
 4.98% 3.78%
 3.78% 5.28%
 5.28% 5.19%
 5.19% 5.69%
 5.69% 5.85%
 5.85% 17.95%
 17.95%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
49° 9' 25.2" North, 1° 36' 15.2" East
48° 41' 42.1" North, 2° 18' 26.5" East
48° 13' 43.6" North, 3° 0' 37.7" East
Some cities around Longjumeau sort by population:
• Savigny-sur-Orge
		3.6 km =2.2 mi,  124°
124°
• Massy
		4 km =2.5 mi,  333°
333°
• Chilly-Mazarin
		2.3 km =1.4 mi,  16°
16°
• Morangis
		2.5 km =1.6 mi,  67°
67°
• Épinay-sur-Orge
		2.4 km =1.5 mi,  174°
174°
• Paray-Vieille-Poste
		4.6 km =2.9 mi,  62°
62°
• Villemoisson-sur-Orge
		3.8 km =2.4 mi,  146°
146°
• Saulx-les-Chartreux
		3 km =1.9 mi,  260°
260°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016