| South Sioux City to Ratingen | 4,497.87 mi (7,238.62 km) |
| South Sioux City to Ratzeburg | 4,523.34 mi (7,279.60 km) |
| South Sioux City to Raubling | 4,834.02 mi (7,779.60 km) |
| South Sioux City to Rauenberg | 4,649.38 mi (7,482.46 km) |
| South Sioux City to Raunheim | 4,607.85 mi (7,415.62 km) |
| South Sioux City to Ravensburg | 4,747.10 mi (7,639.73 km) |
| South Sioux City to Recke | 4,481.97 mi (7,213.04 km) |
| South Sioux City to Recklinghausen | 4,496.46 mi (7,236.35 km) |
| South Sioux City to Regen | 4,814.59 mi (7,748.33 km) |
| South Sioux City to Regensburg | 4,776.82 mi (7,687.54 km) |
| South Sioux City to Regenstauf | 4,773.45 mi (7,682.12 km) |
| South Sioux City to Rehau | 4,718.31 mi (7,593.39 km) |
| South Sioux City to Rehburg-Loccum | 4,527.80 mi (7,286.80 km) |
| South Sioux City to Rehlingen-Siersburg | 4,573.99 mi (7,361.13 km) |
| South Sioux City to Reichelsheim | 4,634.48 mi (7,458.47 km) |
