The calculated distance (air line) between Sylhet and Pār Naogaon is approximately 183 miles respectively 295 kilometers.
By car or train, the actual journey to Pār Naogaon is certainly longer, as only the direct route (as the crow flies) between Sylhet and Pār Naogaon has been calculated here.
Air line (approximately)
295 kilometers
159 nautical miles