| Frechen to Boppard | 58.27 mi (93.78 km) |
| Frechen to Borgentreich | 114.43 mi (184.15 km) |
| Frechen to Borgholzhausen | 103.69 mi (166.88 km) |
| Frechen to Borken | 63.37 mi (101.98 km) |
| Frechen to Borna | 247.36 mi (398.08 km) |
| Frechen to Bornheim | 13.64 mi (21.94 km) |
| Frechen to Bosel | 152.25 mi (245.02 km) |
| Frechen to Bottrop | 42.26 mi (68.01 km) |
| Frechen to Bovenden | 142.10 mi (228.69 km) |
| Frechen to Brackenheim | 161.33 mi (259.63 km) |
| Frechen to Brake | 181.31 mi (291.79 km) |
| Frechen to Brakel | 116.18 mi (186.98 km) |
| Frechen to Bramsche | 114.03 mi (183.51 km) |
| Frechen to Brand | 30.71 mi (49.43 km) |
| Frechen to Brand-Erbisdorf | 283.44 mi (456.15 km) |
