The calculated distance (air line) between Aspe and Guardamar del Segura is approximately 19 miles respectively 30 kilometers.
By car or train, the actual journey to Guardamar del Segura is certainly longer, as only the direct route (as the crow flies) between Aspe and Guardamar del Segura has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles