The calculated distance (air line) between Puerto Serrano and Jerez de la Frontera is approximately 37 miles respectively 59 kilometers.
By car or train, the actual journey to Jerez de la Frontera is certainly longer, as only the direct route (as the crow flies) between Puerto Serrano and Jerez de la Frontera has been calculated here.
Air line (approximately)
59 kilometers
32 nautical miles