Night Light of San Juan Opico (La Libertad) from space (El Salvador) Src. Average luminocity for 10x10km area is 4.5331% and for 50x50km: 14.1047%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
14° 33' 27.7" North, 90° 3' 46.3" West
13° 52' 34" North, 89° 21' 35" West
13° 11' 33.1" North, 88° 39' 23.8" West
Some cities around San Juan Opico sort by population:
• Apopa
20.9 km =13 mi, 111°
• Quezaltepeque
10.7 km =6.6 mi, 117°
• Aguilares
20.4 km =12.7 mi, 63°
• Armenia
21 km =13 mi, 225°
• Guazapa
20.1 km =12.5 mi, 89°
• Ciudad Arce
10.3 km =6.4 mi, 247°
• El Congo
15.1 km =9.4 mi, 283°
• Coatepeque
16.6 km =10.3 mi, 290°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016