The calculated distance (air line) between Pār Naogaon and Sirajganj is approximately 53 miles respectively 86 kilometers.
By car or train, the actual journey to Sirajganj is certainly longer, as only the direct route (as the crow flies) between Pār Naogaon and Sirajganj has been calculated here.
Air line (approximately)
86 kilometers
46 nautical miles