| Harrow to Reichenbach/Vogtland | 552.05 mi (888.43 km) |
| Harrow to Reinbek | 464.10 mi (746.90 km) |
| Harrow to Reinfeld | 478.68 mi (770.36 km) |
| Harrow to Reinheim | 419.18 mi (674.61 km) |
| Harrow to Reiskirchen | 403.83 mi (649.91 km) |
| Harrow to Rellingen | 449.14 mi (722.82 km) |
| Harrow to Remagen | 335.97 mi (540.69 km) |
| Harrow to Remscheid | 326.44 mi (525.35 km) |
| Harrow to Rendsburg | 456.69 mi (734.97 km) |
| Harrow to Renningen | 454.06 mi (730.73 km) |
| Harrow to Reutlingen | 474.91 mi (764.30 km) |
| Harrow to Rhaude | 350.36 mi (563.85 km) |
| Harrow to Rheda-Wiedenbruck | 370.37 mi (596.05 km) |
| Harrow to Rhede | 302.09 mi (486.17 km) |
| Harrow to Rheinau | 418.15 mi (672.95 km) |
