The calculated distance (air line) between Nerva and Jerez de la Frontera is approximately 73 miles respectively 118 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 Nerva and Jerez de la Frontera has been calculated here.
Air line (approximately)
118 kilometers
64 nautical miles