The calculated distance (air line) between Gursahāiganj and Fatehpur Chaurāsi is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to Fatehpur Chaurāsi is certainly longer, as only the direct route (as the crow flies) between Gursahāiganj and Fatehpur Chaurāsi has been calculated here.
Air line (approximately)
64 kilometers
35 nautical miles