| Southborough to Rheinbach | 293.47 mi (472.30 km) |
| Southborough to Rheinberg | 274.59 mi (441.91 km) |
| Southborough to Rheine | 316.33 mi (509.09 km) |
| Southborough to Rheinfelden (Baden) | 419.82 mi (675.64 km) |
| Southborough to Ribnitz-Damgarten | 552.73 mi (889.53 km) |
| Southborough to Richterich | 253.26 mi (407.58 km) |
| Southborough to Riedlingen | 460.75 mi (741.51 km) |
| Southborough to Riegelsberg | 321.71 mi (517.75 km) |
| Southborough to Rielasingen-Worblingen | 451.65 mi (726.87 km) |
| Southborough to Riesa | 563.00 mi (906.07 km) |
| Southborough to Rietberg | 354.06 mi (569.80 km) |
| Southborough to Rinteln | 384.14 mi (618.21 km) |
| Southborough to Ritterhude | 385.85 mi (620.96 km) |
| Southborough to Rodenbach | 390.12 mi (627.84 km) |
| Southborough to Rodental | 475.91 mi (765.90 km) |
