The calculated distance (air line) between Chhāgalnāiya and Mymensingh is approximately 139 miles respectively 223 kilometers.
By car or train, the actual journey to Mymensingh is certainly longer, as only the direct route (as the crow flies) between Chhāgalnāiya and Mymensingh has been calculated here.
Air line (approximately)
223 kilometers
120 nautical miles