The calculated distance (air line) between Mehendiganj and Char Bhadrāsan is approximately 39 miles respectively 62 kilometers.
By car or train, the actual journey to Char Bhadrāsan is certainly longer, as only the direct route (as the crow flies) between Mehendiganj and Char Bhadrāsan has been calculated here.
Air line (approximately)
62 kilometers
34 nautical miles