The calculated distance (air line) between Chhāgalnāiya and Tāngāil is approximately 132 miles respectively 212 kilometers.
By car or train, the actual journey to Tāngāil is certainly longer, as only the direct route (as the crow flies) between Chhāgalnāiya and Tāngāil has been calculated here.
Air line (approximately)
212 kilometers
114 nautical miles