Night Light of Pakxan (Bolikhamsai) from space (Laos) Src. Average luminocity for 10x10km area is 28.531% and for 50x50km: 2.4752%.
Square area 10x10 km:
 1.65%
 3.72%
 5.58%
 5.79%
 4.96%
 3.93%
 2.89%
 5.79%
 2.69%
 24.17%
 38.84%Square area 50x50 km:
 0.06%
 0.35%
 0.26%
 0.58%
 0.3%
 0.2%
 0.27%
 0.6%
 0.54%
 2.3%
 94.53%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
19° 3' 36.4" North, 102° 57' 28.7" East
18° 23' 39.1" North, 103° 39' 40" East
17° 43' 32.6" North, 104° 21' 51.2" East
Some cities around Pakxan sort by population:
• Vientiane
		121.8 km =75.7 mi, 
247°
• Nong Khai, TH
		112.8 km =70.1 mi, 
239°
• Ban Dung, TH
		88.2 km =54.8 mi, 
208°
• Sawang Daen Din, TH
		104.4 km =64.9 mi, 
191°
• Seka, TH
		60.4 km =37.5 mi, 
149°
• Phon Charoen, TH
		65.9 km =40.9 mi, 
232°
• Na Wa, TH
		110.8 km =68.8 mi, 
155°
• Bueng Kan, TH
		3.6 km =2.2 mi, 
195°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016