The calculated distance (air line) between Montefrío and Jerez de la Frontera is approximately 125 miles respectively 202 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 Montefrío and Jerez de la Frontera has been calculated here.
Air line (approximately)
202 kilometers
109 nautical miles