Passage: The site has three visible tunnel entrances.  Based on satellite imagery, its exact location is 41°16′47.87″N 129°5′10.51″E in mountainous terrain in Kilju County, North Hamgyong Province.  It is 2 km (1.2 mi) south of Mantapsan, 2 km (1.2 mi) west of Hwasong concentration camp and 12 km (7.5 mi) northwest of the Punggye-ri village.  The most proximate settlement to the possible nuclear underground test site is Chik-tong, a small populated place located at 41°16′00″N 129°06′00″E. Sungjibaegam is a settlement located 24 kilometres (15 mi) from the tremor of the 2013 test. Punggye-ri railway station is located at 41.130833°N 129.163611°E﻿ / 41.130833; 129.163611.

Question: Which of these locations is furthest away from the site: Mantapsan, Hwasong concentration camp, Punggyr-ri village?
Punggye-ri village