The calculated distance (air line) between Quintana de la Serena and Jerez de la Frontera is approximately 145 miles respectively 233 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 Quintana de la Serena and Jerez de la Frontera has been calculated here.
Air line (approximately)
233 kilometers
126 nautical miles