| Sioux City to Quarteira | 4,481.60 mi (7,212.44 km) |
| Sioux City to Queluz | 4,363.04 mi (7,021.63 km) |
| Sioux City to Reguengos de Monsaraz | 4,453.11 mi (7,166.58 km) |
| Sioux City to Resende | 4,328.83 mi (6,966.58 km) |
| Sioux City to Ribeira Brava | 4,238.32 mi (6,820.91 km) |
| Sioux City to Ribeira Grande | 3,645.90 mi (5,867.51 km) |
| Sioux City to Rio de Mouro | 4,359.41 mi (7,015.79 km) |
| Sioux City to Rio Maior | 4,355.14 mi (7,008.92 km) |
| Sioux City to Rio Tinto | 4,300.29 mi (6,920.65 km) |
| Sioux City to Sabugal | 4,396.35 mi (7,075.25 km) |
| Sioux City to Sacavem | 4,368.52 mi (7,030.46 km) |
| Sioux City to Salvaterra de Magos | 4,374.12 mi (7,039.46 km) |
| Sioux City to Santa Comba Dao | 4,349.51 mi (6,999.87 km) |
| Sioux City to Santa Cruz | 4,250.32 mi (6,840.22 km) |
| Sioux City to Santa Iria da Azoia | 4,367.26 mi (7,028.42 km) |
