The calculated distance (air line) between Marchena and Jerez de la Frontera is approximately 60 miles respectively 96 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 Marchena and Jerez de la Frontera has been calculated here.
Air line (approximately)
96 kilometers
52 nautical miles