The calculated distance (air line) between Encruzilhada do Sul and Porto Alegre is approximately 85 miles respectively 136 kilometers.
By car or train, the actual journey to Porto Alegre is certainly longer, as only the direct route (as the crow flies) between Encruzilhada do Sul and Porto Alegre has been calculated here.
Air line (approximately)
136 kilometers
74 nautical miles