The calculated distance (air line) between Ronda and Jerez de la Frontera is approximately 54 miles respectively 87 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 Ronda and Jerez de la Frontera has been calculated here.
Air line (approximately)
87 kilometers
47 nautical miles