| Mountain Ash to Blumberg | 593.36 mi (954.92 km) |
| Mountain Ash to Bobenheim-Roxheim | 533.87 mi (859.18 km) |
| Mountain Ash to Bobingen | 672.14 mi (1,081.71 km) |
| Mountain Ash to Boblingen | 585.23 mi (941.83 km) |
| Mountain Ash to Bocholt | 427.30 mi (687.67 km) |
| Mountain Ash to Bochum | 454.70 mi (731.77 km) |
| Mountain Ash to Bockenem | 576.32 mi (927.50 km) |
| Mountain Ash to Bockhorn | 492.80 mi (793.08 km) |
| Mountain Ash to Bogen | 732.52 mi (1,178.88 km) |
| Mountain Ash to Bohl-Iggelheim | 536.93 mi (864.10 km) |
| Mountain Ash to Bohmte | 498.95 mi (802.98 km) |
| Mountain Ash to Boizenburg | 602.85 mi (970.19 km) |
| Mountain Ash to Bonen | 477.18 mi (767.94 km) |
| Mountain Ash to Bonn | 457.91 mi (736.94 km) |
| Mountain Ash to Bopfingen | 635.92 mi (1,023.41 km) |
