The calculated distance (air line) between Topes de Collantes and Diez de Octubre is approximately 170 miles respectively 274 kilometers.
By car or train, the actual journey to Diez de Octubre is certainly longer, as only the direct route (as the crow flies) between Topes de Collantes and Diez de Octubre has been calculated here.
Air line (approximately)
274 kilometers
148 nautical miles