| Grass Valley to Ratingen | 5,437.61 mi (8,750.99 km) |
| Grass Valley to Ratzeburg | 5,405.38 mi (8,699.13 km) |
| Grass Valley to Raubling | 5,772.70 mi (9,290.27 km) |
| Grass Valley to Rauenberg | 5,598.70 mi (9,010.23 km) |
| Grass Valley to Raunheim | 5,550.62 mi (8,932.87 km) |
| Grass Valley to Ravensburg | 5,705.77 mi (9,182.54 km) |
| Grass Valley to Recke | 5,402.63 mi (8,694.69 km) |
| Grass Valley to Recklinghausen | 5,430.55 mi (8,739.63 km) |
| Grass Valley to Regen | 5,732.11 mi (9,224.93 km) |
| Grass Valley to Regensburg | 5,702.36 mi (9,177.07 km) |
| Grass Valley to Regenstauf | 5,697.45 mi (9,169.17 km) |
| Grass Valley to Rehau | 5,630.71 mi (9,061.76 km) |
| Grass Valley to Rehburg-Loccum | 5,436.48 mi (8,749.17 km) |
| Grass Valley to Rehlingen-Siersburg | 5,537.34 mi (8,911.48 km) |
| Grass Valley to Reichelsheim | 5,577.72 mi (8,976.48 km) |
