| River Forest to Ratingen | 4,221.71 mi (6,794.18 km) |
| River Forest to Ratzeburg | 4,270.15 mi (6,872.15 km) |
| River Forest to Raubling | 4,552.95 mi (7,327.27 km) |
| River Forest to Rauenberg | 4,366.89 mi (7,027.83 km) |
| River Forest to Raunheim | 4,328.66 mi (6,966.31 km) |
| River Forest to Ravensburg | 4,459.34 mi (7,176.62 km) |
| River Forest to Recke | 4,213.88 mi (6,781.58 km) |
| River Forest to Recklinghausen | 4,222.62 mi (6,795.66 km) |
| River Forest to Regen | 4,542.24 mi (7,310.02 km) |
| River Forest to Regensburg | 4,501.87 mi (7,245.07 km) |
| River Forest to Regenstauf | 4,499.17 mi (7,240.71 km) |
| River Forest to Rehau | 4,449.56 mi (7,160.88 km) |
| River Forest to Rehburg-Loccum | 4,263.78 mi (6,861.90 km) |
| River Forest to Rehlingen-Siersburg | 4,286.96 mi (6,899.19 km) |
| River Forest to Reichelsheim | 4,354.68 mi (7,008.18 km) |
