The calculated distance (air line) between Lungtenzampa and Pemagatshel is approximately 112 miles respectively 180 kilometers.
By car or train, the actual journey to Pemagatshel is certainly longer, as only the direct route (as the crow flies) between Lungtenzampa and Pemagatshel has been calculated here.
Air line (approximately)
180 kilometers
97 nautical miles