The calculated distance (air line) between Boedo and San Nicolás de los Arroyos is approximately 136 miles respectively 220 kilometers.
By car or train, the actual journey to San Nicolás de los Arroyos is certainly longer, as only the direct route (as the crow flies) between Boedo and San Nicolás de los Arroyos has been calculated here.
Air line (approximately)
220 kilometers
119 nautical miles