The calculated distance (air line) between Sevilla and Jerez de la Frontera is approximately 49 miles respectively 79 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 Sevilla and Jerez de la Frontera has been calculated here.
Air line (approximately)
79 kilometers
43 nautical miles