The calculated distance (air line) between Hato Mayor del Rey and Concepción de La Vega is approximately 89 miles respectively 143 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 Hato Mayor del Rey and Concepción de La Vega has been calculated here.
Air line (approximately)
143 kilometers
77 nautical miles