| Horb am Neckar to Resana | 247.53 mi (398.36 km) |
| Horb am Neckar to Rescaldina | 195.82 mi (315.14 km) |
| Horb am Neckar to Rezzato | 216.48 mi (348.39 km) |
| Horb am Neckar to Rho | 201.84 mi (324.84 km) |
| Horb am Neckar to Ribera | 790.47 mi (1,272.13 km) |
| Horb am Neckar to Riccione Marina | 360.65 mi (580.40 km) |
| Horb am Neckar to Riesi | 817.61 mi (1,315.81 km) |
| Horb am Neckar to Rieti | 463.52 mi (745.96 km) |
| Horb am Neckar to Rignano Flaminio | 469.04 mi (754.84 km) |
| Horb am Neckar to Rignano sull'Arno | 351.96 mi (566.42 km) |
| Horb am Neckar to Rimini | 355.06 mi (571.41 km) |
| Horb am Neckar to Rionero in Vulture | 622.32 mi (1,001.53 km) |
| Horb am Neckar to Riposto | 808.99 mi (1,301.94 km) |
| Horb am Neckar to Riva del Garda | 203.99 mi (328.29 km) |
| Horb am Neckar to Rivalta di Torino | 242.14 mi (389.69 km) |
