The calculated distance (air line) between Las Cabezas de San Juan and Jerez de la Frontera is approximately 23 miles respectively 37 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 Las Cabezas de San Juan and Jerez de la Frontera has been calculated here.
Air line (approximately)
37 kilometers
20 nautical miles