| Hardenberg to Reichenbach/Vogtland | 278.57 mi (448.32 km) |
| Hardenberg to Reinbek | 164.30 mi (264.41 km) |
| Hardenberg to Reinfeld | 182.36 mi (293.48 km) |
| Hardenberg to Reinheim | 212.17 mi (341.45 km) |
| Hardenberg to Reiskirchen | 165.88 mi (266.95 km) |
| Hardenberg to Rellingen | 152.36 mi (245.19 km) |
| Hardenberg to Remagen | 139.87 mi (225.10 km) |
| Hardenberg to Remscheid | 98.77 mi (158.95 km) |
| Hardenberg to Rendsburg | 173.48 mi (279.18 km) |
| Hardenberg to Renningen | 281.50 mi (453.02 km) |
| Hardenberg to Reutlingen | 304.32 mi (489.76 km) |
| Hardenberg to Rhaude | 56.87 mi (91.52 km) |
| Hardenberg to Rheda-Wiedenbruck | 87.12 mi (140.20 km) |
| Hardenberg to Rhede | 50.80 mi (81.75 km) |
| Hardenberg to Rheinau | 275.50 mi (443.38 km) |