| Horb am Neckar to Ratzeburg | 373.86 mi (601.67 km) |
| Horb am Neckar to Raubling | 163.86 mi (263.71 km) |
| Horb am Neckar to Rauenberg | 56.83 mi (91.46 km) |
| Horb am Neckar to Raunheim | 109.12 mi (175.61 km) |
| Horb am Neckar to Ravensburg | 62.41 mi (100.45 km) |
| Horb am Neckar to Recke | 274.52 mi (441.80 km) |
| Horb am Neckar to Recklinghausen | 227.29 mi (365.80 km) |
| Horb am Neckar to Regen | 205.69 mi (331.03 km) |
| Horb am Neckar to Regensburg | 159.54 mi (256.76 km) |
| Horb am Neckar to Regenstauf | 163.33 mi (262.85 km) |
| Horb am Neckar to Rehau | 194.79 mi (313.48 km) |
| Horb am Neckar to Rehburg-Loccum | 277.68 mi (446.89 km) |
| Horb am Neckar to Rehlingen-Siersburg | 111.45 mi (179.36 km) |
| Horb am Neckar to Reichelsheim | 87.98 mi (141.59 km) |
| Horb am Neckar to Reichenbach/Vogtland | 220.63 mi (355.08 km) |
