The calculated distance (air line) between Tigre and San Nicolás de los Arroyos is approximately 120 miles respectively 193 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 Tigre and San Nicolás de los Arroyos has been calculated here.
Air line (approximately)
193 kilometers
104 nautical miles