The calculated distance (air line) between Farīdpur and Shāhzādpur is approximately 42 miles respectively 68 kilometers.
By car or train, the actual journey to Shāhzādpur is certainly longer, as only the direct route (as the crow flies) between Farīdpur and Shāhzādpur has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles