The calculated distance (air line) between Comilla and Char Bhadrāsan is approximately 62 miles respectively 99 kilometers.
By car or train, the actual journey to Char Bhadrāsan is certainly longer, as only the direct route (as the crow flies) between Comilla and Char Bhadrāsan has been calculated here.
Air line (approximately)
99 kilometers
54 nautical miles