The calculated distance (air line) between Santo Amaro da Imperatriz and Curitiba is approximately 159 miles respectively 256 kilometers.
By car or train, the actual journey to Curitiba is certainly longer, as only the direct route (as the crow flies) between Santo Amaro da Imperatriz and Curitiba has been calculated here.
Air line (approximately)
256 kilometers
138 nautical miles