| Hardenberg to Boppard | 166.72 mi (268.32 km) |
| Hardenberg to Borgentreich | 131.46 mi (211.56 km) |
| Hardenberg to Borgholzhausen | 78.04 mi (125.59 km) |
| Hardenberg to Borken | 51.77 mi (83.31 km) |
| Hardenberg to Borna | 270.29 mi (435.00 km) |
| Hardenberg to Bornheim | 125.99 mi (202.76 km) |
| Hardenberg to Bosel | 63.59 mi (102.34 km) |
| Hardenberg to Bottrop | 73.16 mi (117.74 km) |
| Hardenberg to Bovenden | 155.73 mi (250.63 km) |
| Hardenberg to Brackenheim | 263.33 mi (423.78 km) |
| Hardenberg to Brake | 94.04 mi (151.34 km) |
| Hardenberg to Brakel | 123.66 mi (199.01 km) |
| Hardenberg to Bramsche | 58.64 mi (94.38 km) |
| Hardenberg to Brand | 127.08 mi (204.52 km) |
| Hardenberg to Brand-Erbisdorf | 309.92 mi (498.76 km) |
