The calculated distance (air line) between Parque Lefevre and Nuevo Arraiján is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Nuevo Arraiján is certainly longer, as only the direct route (as the crow flies) between Parque Lefevre and Nuevo Arraiján has been calculated here.
Air line (approximately)
29 kilometers
15 nautical miles