| Seia to Boppard | 1,002.05 mi (1,612.65 km) |
| Seia to Borgentreich | 1,115.25 mi (1,794.82 km) |
| Seia to Borgholzhausen | 1,106.68 mi (1,781.02 km) |
| Seia to Borken | 1,048.88 mi (1,688.01 km) |
| Seia to Borna | 1,215.53 mi (1,956.21 km) |
| Seia to Bornheim | 1,004.34 mi (1,616.34 km) |
| Seia to Bosel | 1,137.78 mi (1,831.08 km) |
| Seia to Bottrop | 1,036.24 mi (1,667.67 km) |
| Seia to Bovenden | 1,139.43 mi (1,833.74 km) |
| Seia to Brackenheim | 1,013.73 mi (1,631.43 km) |
| Seia to Brake | 1,169.25 mi (1,881.73 km) |
| Seia to Brakel | 1,119.25 mi (1,801.26 km) |
| Seia to Bramsche | 1,110.26 mi (1,786.79 km) |
| Seia to Brand | 976.01 mi (1,570.74 km) |
| Seia to Brand-Erbisdorf | 1,238.77 mi (1,993.60 km) |
