Night Light of Rovaniemi (Lapland) from space (Finland) Src. Average luminocity for 10x10km area is 62.2901% and for 50x50km: 4.0075%.
Square area 10x10 km:
 21.96%
 20.37%
 1.94%
 4.41%
 5.73%
 2.82%
 1.94%
 9.44%
 17.55%
 12.08%
 1.76%Square area 50x50 km:
 1.05%
 1.02%
 0.13%
 0.32%
 0.46%
 0.25%
 0.22%
 0.53%
 1.37%
 2.38%
 92.27%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
66° 46' 43.7" North, 25° 0' 48.8" East
66° 30' 0" North, 25° 43' 0" East
66° 13' 5" North, 26° 25' 11.3" East
Some cities around Rovaniemi sort by population:
• Kemi
		99.5 km =61.8 mi, 
211°
• Tornio
		101.1 km =62.8 mi, 
224°
• Keminmaa
		93.8 km =58.3 mi, 
214°
• Sodankylä
		108.9 km =67.7 mi, 
20°
• Kemijärvi
		79.3 km =49.3 mi, 
72°
• Haparanda, SE
		102.5 km =63.7 mi, 
223°
• Pyhäjärvi
		91.4 km =56.8 mi, 
46°
• Ylitornio
		93.2 km =57.9 mi, 
256°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016