The calculated distance (air line) between Los Palacios and La Habana Vieja is approximately 68 miles respectively 110 kilometers.
By car or train, the actual journey to La Habana Vieja is certainly longer, as only the direct route (as the crow flies) between Los Palacios and La Habana Vieja has been calculated here.
Air line (approximately)
110 kilometers
59 nautical miles