| Rancho Cucamonga to Rende | 6,564.02 mi (10,563.77 km) |
| Rancho Cucamonga to Resana | 6,088.84 mi (9,799.05 km) |
| Rancho Cucamonga to Rescaldina | 5,995.09 mi (9,648.16 km) |
| Rancho Cucamonga to Rezzato | 6,044.03 mi (9,726.93 km) |
| Rancho Cucamonga to Rho | 6,002.07 mi (9,659.39 km) |
| Rancho Cucamonga to Ribera | 6,566.85 mi (10,568.32 km) |
| Rancho Cucamonga to Riccione Marina | 6,197.78 mi (9,974.36 km) |
| Rancho Cucamonga to Riesi | 6,606.58 mi (10,632.27 km) |
| Rancho Cucamonga to Rieti | 6,289.86 mi (10,122.55 km) |
| Rancho Cucamonga to Rignano Flaminio | 6,288.74 mi (10,120.75 km) |
| Rancho Cucamonga to Rignano sull'Arno | 6,174.38 mi (9,936.71 km) |
| Rancho Cucamonga to Rimini | 6,192.03 mi (9,965.11 km) |
| Rancho Cucamonga to Rionero in Vulture | 6,460.25 mi (10,396.77 km) |
| Rancho Cucamonga to Riposto | 6,619.81 mi (10,653.56 km) |
| Rancho Cucamonga to Riva del Garda | 6,041.48 mi (9,722.82 km) |
