The calculated distance (air line) between San Miguel de Salinas and Callosa de Segura is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Callosa de Segura is certainly longer, as only the direct route (as the crow flies) between San Miguel de Salinas and Callosa de Segura has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles