The calculated distance (air line) between Bocas del Toro and Alcalde Díaz is approximately 184 miles respectively 296 kilometers.
By car or train, the actual journey to Alcalde Díaz is certainly longer, as only the direct route (as the crow flies) between Bocas del Toro and Alcalde Díaz has been calculated here.
Air line (approximately)
296 kilometers
160 nautical miles