| University of California-Santa Barbara to Rheinbach | 5,728.44 mi (9,219.03 km) |
| University of California-Santa Barbara to Rheinberg | 5,671.33 mi (9,127.13 km) |
| University of California-Santa Barbara to Rheine | 5,657.04 mi (9,104.13 km) |
| University of California-Santa Barbara to Rheinfelden (Baden) | 5,912.99 mi (9,516.04 km) |
| University of California-Santa Barbara to Ribnitz-Damgarten | 5,685.68 mi (9,150.22 km) |
| University of California-Santa Barbara to Richterich | 5,693.44 mi (9,162.70 km) |
| University of California-Santa Barbara to Riedlingen | 5,932.17 mi (9,546.91 km) |
| University of California-Santa Barbara to Riegelsberg | 5,797.17 mi (9,329.64 km) |
| University of California-Santa Barbara to Rielasingen-Worblingen | 5,935.62 mi (9,552.45 km) |
| University of California-Santa Barbara to Riesa | 5,867.86 mi (9,443.41 km) |
| University of California-Santa Barbara to Rietberg | 5,710.15 mi (9,189.60 km) |
| University of California-Santa Barbara to Rinteln | 5,707.56 mi (9,185.43 km) |
| University of California-Santa Barbara to Ritterhude | 5,646.45 mi (9,087.08 km) |
| University of California-Santa Barbara to Rodenbach | 5,813.81 mi (9,356.42 km) |
| University of California-Santa Barbara to Rodental | 5,863.85 mi (9,436.96 km) |
