| California to Rheinbach | 3,979.21 mi (6,403.92 km) |
| California to Rheinberg | 3,941.35 mi (6,342.99 km) |
| California to Rheine | 3,955.36 mi (6,365.54 km) |
| California to Rheinfelden (Baden) | 4,099.34 mi (6,597.24 km) |
| California to Ribnitz-Damgarten | 4,093.88 mi (6,588.46 km) |
| California to Richterich | 3,938.69 mi (6,338.71 km) |
| California to Riedlingen | 4,152.49 mi (6,682.78 km) |
| California to Riegelsberg | 4,014.76 mi (6,461.13 km) |
| California to Rielasingen-Worblingen | 4,138.47 mi (6,660.23 km) |
| California to Riesa | 4,211.46 mi (6,777.68 km) |
| California to Rietberg | 4,007.36 mi (6,449.23 km) |
| California to Rinteln | 4,022.26 mi (6,473.20 km) |
| California to Ritterhude | 3,983.32 mi (6,410.53 km) |
| California to Rodenbach | 4,076.70 mi (6,560.81 km) |
| California to Rodental | 4,154.53 mi (6,686.06 km) |
