The calculated distance (air line) between Trashi Yangtse and Phuntsholing is approximately 140 miles respectively 225 kilometers.
By car or train, the actual journey to Phuntsholing is certainly longer, as only the direct route (as the crow flies) between Trashi Yangtse and Phuntsholing has been calculated here.
Air line (approximately)
225 kilometers
121 nautical miles