| Rancho Cucamonga to Rheinbach | 5,677.62 mi (9,137.25 km) |
| Rancho Cucamonga to Rheinberg | 5,621.51 mi (9,046.94 km) |
| Rancho Cucamonga to Rheine | 5,609.12 mi (9,027.00 km) |
| Rancho Cucamonga to Rheinfelden (Baden) | 5,858.65 mi (9,428.58 km) |
| Rancho Cucamonga to Ribnitz-Damgarten | 5,645.60 mi (9,085.71 km) |
| Rancho Cucamonga to Richterich | 5,642.00 mi (9,079.92 km) |
| Rancho Cucamonga to Riedlingen | 5,880.46 mi (9,463.68 km) |
| Rancho Cucamonga to Riegelsberg | 5,744.40 mi (9,244.72 km) |
| Rancho Cucamonga to Rielasingen-Worblingen | 5,882.64 mi (9,467.19 km) |
| Rancho Cucamonga to Riesa | 5,824.60 mi (9,373.79 km) |
| Rancho Cucamonga to Rietberg | 5,662.51 mi (9,112.94 km) |
| Rancho Cucamonga to Rinteln | 5,661.14 mi (9,110.72 km) |
| Rancho Cucamonga to Ritterhude | 5,601.15 mi (9,014.18 km) |
| Rancho Cucamonga to Rodenbach | 5,764.43 mi (9,276.95 km) |
| Rancho Cucamonga to Rodental | 5,816.80 mi (9,361.24 km) |
