The calculated distance (air line) between Pinar del Río and La Habana Vieja is approximately 99 miles respectively 159 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 Pinar del Río and La Habana Vieja has been calculated here.
Air line (approximately)
159 kilometers
86 nautical miles