| Frechen to Blumberg | 226.22 mi (364.06 km) |
| Frechen to Bobenheim-Roxheim | 114.61 mi (184.44 km) |
| Frechen to Bobingen | 256.09 mi (412.14 km) |
| Frechen to Boblingen | 182.67 mi (293.99 km) |
| Frechen to Bocholt | 63.92 mi (102.86 km) |
| Frechen to Bochum | 42.70 mi (68.72 km) |
| Frechen to Bockenem | 161.50 mi (259.90 km) |
| Frechen to Bockhorn | 178.95 mi (288.00 km) |
| Frechen to Bogen | 295.20 mi (475.09 km) |
| Frechen to Bohl-Iggelheim | 125.55 mi (202.05 km) |
| Frechen to Bohmte | 119.05 mi (191.59 km) |
| Frechen to Boizenburg | 236.58 mi (380.75 km) |
| Frechen to Bonen | 62.29 mi (100.25 km) |
| Frechen to Bonn | 17.70 mi (28.49 km) |
| Frechen to Bopfingen | 212.15 mi (341.42 km) |
