| San Luis Obispo to Rende | 6,594.20 mi (10,612.33 km) |
| San Luis Obispo to Resana | 6,114.73 mi (9,840.71 km) |
| San Luis Obispo to Rescaldina | 6,026.42 mi (9,698.59 km) |
| San Luis Obispo to Rezzato | 6,073.14 mi (9,773.78 km) |
| San Luis Obispo to Rho | 6,033.43 mi (9,709.87 km) |
| San Luis Obispo to Ribera | 6,606.76 mi (10,632.56 km) |
| San Luis Obispo to Riccione Marina | 6,225.72 mi (10,019.33 km) |
| San Luis Obispo to Riesi | 6,645.22 mi (10,694.45 km) |
| San Luis Obispo to Rieti | 6,320.66 mi (10,172.12 km) |
| San Luis Obispo to Rignano Flaminio | 6,320.69 mi (10,172.16 km) |
| San Luis Obispo to Rignano sull'Arno | 6,205.16 mi (9,986.24 km) |
| San Luis Obispo to Rimini | 6,220.01 mi (10,010.14 km) |
| San Luis Obispo to Rionero in Vulture | 6,488.41 mi (10,442.09 km) |
| San Luis Obispo to Riposto | 6,655.19 mi (10,710.50 km) |
| San Luis Obispo to Riva del Garda | 6,068.84 mi (9,766.86 km) |
