| Sioux City to Rodgau | 4,620.29 mi (7,435.64 km) |
| Sioux City to Roding | 4,780.58 mi (7,693.60 km) |
| Sioux City to Rodinghausen | 4,509.76 mi (7,257.76 km) |
| Sioux City to Roetgen | 4,500.40 mi (7,242.69 km) |
| Sioux City to Rommerskirchen | 4,501.17 mi (7,243.93 km) |
| Sioux City to Ronnenberg | 4,545.72 mi (7,315.62 km) |
| Sioux City to Rosbach vor der Hohe | 4,601.71 mi (7,405.74 km) |
| Sioux City to Rosdorf | 4,589.60 mi (7,386.24 km) |
| Sioux City to Rosenheim | 4,829.69 mi (7,772.64 km) |
| Sioux City to Rosrath | 4,523.78 mi (7,280.32 km) |
| Sioux City to Rossdorf | 4,622.84 mi (7,439.74 km) |
| Sioux City to Rosstal | 4,716.12 mi (7,589.87 km) |
| Sioux City to Rostock | 4,547.35 mi (7,318.26 km) |
| Sioux City to Rotenburg an der Fulda | 4,605.99 mi (7,412.62 km) |
| Sioux City to Roth | 4,730.16 mi (7,612.45 km) |
