The calculated distance (air line) between Adra and Jerez de la Frontera is approximately 173 miles respectively 278 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 Adra and Jerez de la Frontera has been calculated here.
Air line (approximately)
278 kilometers
150 nautical miles