| Grass Valley to Rodgau | 5,562.25 mi (8,951.57 km) |
| Grass Valley to Roding | 5,703.08 mi (9,178.22 km) |
| Grass Valley to Rodinghausen | 5,428.66 mi (8,736.59 km) |
| Grass Valley to Roetgen | 5,454.94 mi (8,778.88 km) |
| Grass Valley to Rommerskirchen | 5,447.65 mi (8,767.15 km) |
| Grass Valley to Ronnenberg | 5,455.08 mi (8,779.11 km) |
| Grass Valley to Rosbach vor der Hohe | 5,541.84 mi (8,918.72 km) |
| Grass Valley to Rosdorf | 5,506.74 mi (8,862.24 km) |
| Grass Valley to Rosenheim | 5,769.94 mi (9,285.82 km) |
| Grass Valley to Rosrath | 5,468.25 mi (8,800.30 km) |
| Grass Valley to Rossdorf | 5,567.56 mi (8,960.12 km) |
| Grass Valley to Rosstal | 5,649.51 mi (9,092.00 km) |
| Grass Valley to Rostock | 5,416.73 mi (8,717.38 km) |
| Grass Valley to Rotenburg an der Fulda | 5,530.28 mi (8,900.13 km) |
| Grass Valley to Roth | 5,663.60 mi (9,114.68 km) |
