| Red Bluff to Ratingen | 5,412.33 mi (8,710.30 km) |
| Red Bluff to Ratzeburg | 5,374.94 mi (8,650.13 km) |
| Red Bluff to Raubling | 5,746.34 mi (9,247.84 km) |
| Red Bluff to Rauenberg | 5,573.85 mi (8,970.25 km) |
| Red Bluff to Raunheim | 5,525.29 mi (8,892.10 km) |
| Red Bluff to Ravensburg | 5,681.52 mi (9,143.52 km) |
| Red Bluff to Recke | 5,375.66 mi (8,651.29 km) |
| Red Bluff to Recklinghausen | 5,404.75 mi (8,698.11 km) |
| Red Bluff to Regen | 5,703.87 mi (9,179.50 km) |
| Red Bluff to Regensburg | 5,674.96 mi (9,132.97 km) |
| Red Bluff to Regenstauf | 5,669.92 mi (9,124.86 km) |
| Red Bluff to Rehau | 5,602.31 mi (9,016.04 km) |
| Red Bluff to Rehburg-Loccum | 5,408.32 mi (8,703.85 km) |
| Red Bluff to Rehlingen-Siersburg | 5,514.03 mi (8,873.98 km) |
| Red Bluff to Reichelsheim | 5,552.36 mi (8,935.65 km) |
