The calculated distance (air line) between Bhātpāra Abhaynagar and Chattogram is approximately 160 miles respectively 257 kilometers.
By car or train, the actual journey to Chattogram is certainly longer, as only the direct route (as the crow flies) between Bhātpāra Abhaynagar and Chattogram has been calculated here.
Air line (approximately)
257 kilometers
139 nautical miles