The calculated distance (air line) between Piedra Blanca and Concepción de La Vega is approximately 30 miles respectively 48 kilometers.
By car or train, the actual journey to Concepción de La Vega is certainly longer, as only the direct route (as the crow flies) between Piedra Blanca and Concepción de La Vega has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles