The calculated distance (air line) between Phuntsholing and Pemagatshel is approximately 125 miles respectively 201 kilometers.
By car or train, the actual journey to Pemagatshel is certainly longer, as only the direct route (as the crow flies) between Phuntsholing and Pemagatshel has been calculated here.
Air line (approximately)
201 kilometers
108 nautical miles