The calculated distance (air line) between Nueva Concepción and Quezaltepeque is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Quezaltepeque is certainly longer, as only the direct route (as the crow flies) between Nueva Concepción and Quezaltepeque has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles