The calculated distance (air line) between Barishal and Pār Naogaon is approximately 171 miles respectively 275 kilometers.
By car or train, the actual journey to Pār Naogaon is certainly longer, as only the direct route (as the crow flies) between Barishal and Pār Naogaon has been calculated here.
Air line (approximately)
275 kilometers
148 nautical miles