The calculated distance (air line) between Villamartín and Jerez de la Frontera is approximately 30 miles respectively 48 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 Villamartín and Jerez de la Frontera has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles