The calculated distance (air line) between Narail and Char Bhadrāsan is approximately 48 miles respectively 77 kilometers.
By car or train, the actual journey to Char Bhadrāsan is certainly longer, as only the direct route (as the crow flies) between Narail and Char Bhadrāsan has been calculated here.
Air line (approximately)
77 kilometers
41 nautical miles