| Sioux City to Rheinbach | 4,527.09 mi (7,285.65 km) |
| Sioux City to Rheinberg | 4,476.50 mi (7,204.23 km) |
| Sioux City to Rheine | 4,473.62 mi (7,199.60 km) |
| Sioux City to Rheinfelden (Baden) | 4,689.64 mi (7,547.24 km) |
| Sioux City to Ribnitz-Damgarten | 4,550.27 mi (7,322.95 km) |
| Sioux City to Richterich | 4,488.96 mi (7,224.29 km) |
| Sioux City to Riedlingen | 4,723.12 mi (7,601.13 km) |
| Sioux City to Riegelsberg | 4,583.88 mi (7,377.04 km) |
| Sioux City to Rielasingen-Worblingen | 4,719.48 mi (7,595.26 km) |
| Sioux City to Riesa | 4,709.40 mi (7,579.05 km) |
| Sioux City to Rietberg | 4,527.67 mi (7,286.58 km) |
| Sioux City to Rinteln | 4,532.39 mi (7,294.18 km) |
| Sioux City to Ritterhude | 4,479.03 mi (7,208.30 km) |
| Sioux City to Rodenbach | 4,619.60 mi (7,434.52 km) |
| Sioux City to Rodental | 4,682.58 mi (7,535.89 km) |
