The calculated distance (air line) between Santo Domingo and Concepción de La Vega is approximately 67 miles respectively 107 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 Santo Domingo and Concepción de La Vega has been calculated here.
Air line (approximately)
107 kilometers
58 nautical miles