| Grass Valley to Rende | 6,373.21 mi (10,256.69 km) |
| Grass Valley to Resana | 5,891.01 mi (9,480.67 km) |
| Grass Valley to Rescaldina | 5,807.48 mi (9,346.24 km) |
| Grass Valley to Rezzato | 5,852.20 mi (9,418.20 km) |
| Grass Valley to Rho | 5,814.51 mi (9,357.55 km) |
| Grass Valley to Ribera | 6,394.36 mi (10,290.72 km) |
| Grass Valley to Riccione Marina | 6,003.52 mi (9,661.74 km) |
| Grass Valley to Riesi | 6,431.57 mi (10,350.61 km) |
| Grass Valley to Rieti | 6,100.72 mi (9,818.15 km) |
| Grass Valley to Rignano Flaminio | 6,101.73 mi (9,819.78 km) |
| Grass Valley to Rignano sull'Arno | 5,985.41 mi (9,632.58 km) |
| Grass Valley to Rimini | 5,997.85 mi (9,652.60 km) |
| Grass Valley to Rionero in Vulture | 6,265.92 mi (10,084.02 km) |
| Grass Valley to Riposto | 6,438.61 mi (10,361.94 km) |
| Grass Valley to Riva del Garda | 5,846.44 mi (9,408.94 km) |
