The calculated distance (air line) between Del Rio and Minas de Barroterán is approximately 121 miles respectively 194 kilometers.
By car or train, the actual journey to Minas de Barroterán is certainly longer, as only the direct route (as the crow flies) between Del Rio and Minas de Barroterán has been calculated here.
Air line (approximately)
194 kilometers
105 nautical miles