The calculated distance (air line) between Osuna and Jerez de la Frontera is approximately 69 miles respectively 110 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 Osuna and Jerez de la Frontera has been calculated here.
Air line (approximately)
110 kilometers
60 nautical miles