The calculated distance (air line) between Salto del Guairá and San Isidro de Curuguaty is approximately 92 miles respectively 148 kilometers.
By car or train, the actual journey to San Isidro de Curuguaty is certainly longer, as only the direct route (as the crow flies) between Salto del Guairá and San Isidro de Curuguaty has been calculated here.
Air line (approximately)
148 kilometers
80 nautical miles