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