The calculated distance (air line) between San Isidro and Lomo de Arico is approximately 8 miles respectively 12 kilometers.
By car or train, the actual journey to Lomo de Arico is certainly longer, as only the direct route (as the crow flies) between San Isidro and Lomo de Arico has been calculated here.
Air line (approximately)
12 kilometers
7 nautical miles