The calculated distance (air line) between Gerena and Jerez de la Frontera is approximately 58 miles respectively 94 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 Gerena and Jerez de la Frontera has been calculated here.
Air line (approximately)
94 kilometers
51 nautical miles