Night Light of Tirumullaivāsal (Tamil Nadu) from space (India) Src. Average luminocity for 10x10km area is 6.5606% and for 50x50km: 6.1777%.
Square area 10x10 km:
 0%
 0%
 0%
 1.73%
 1.08%
 1.52%
 3.25%
 0.87%
 1.95%
 0.43%
 89.18%Square area 50x50 km:
 0.08%
 0.56%
 0.51%
 0.89%
 0.38%
 1.07%
 1.6%
 1.33%
 2.37%
 5.63%
 85.57%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
11° 55' 43.5" North, 79° 8' 2.1" East
11° 14' 23.9" North, 79° 50' 13.4" East
10° 32' 58.2" North, 80° 32' 24.6" East
Some cities around Tirumullaivāsal sort by population:
• Mayiladuthurai
		25 km =15.5 mi, 
232°
• Kāraikāl
		35.9 km =22.3 mi, 
180°
• Chidambaram
		23.8 km =14.8 mi, 
318°
• Sīrkāzhi
		11 km =6.8 mi, 
268°
• Tharangambadi
		23.7 km =14.7 mi, 
175°
• Kīl Bhuvanagiri
		30.5 km =19 mi, 
317°
• Annāmalainagar
		21.1 km =13.1 mi, 
327°
• Ālappākkam
		41.9 km =26 mi, 
342°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016