The calculated distance (air line) between Gafargaon and Sarishābāri is approximately 51 miles respectively 82 kilometers.
By car or train, the actual journey to Sarishābāri is certainly longer, as only the direct route (as the crow flies) between Gafargaon and Sarishābāri has been calculated here.
Air line (approximately)
82 kilometers
44 nautical miles