| Portage to Boekel | 4,070.55 mi (6,550.92 km) |
| Portage to Bolsward | 4,015.44 mi (6,462.22 km) |
| Portage to Borger | 4,065.81 mi (6,543.29 km) |
| Portage to Borne | 4,086.00 mi (6,575.79 km) |
| Portage to Boskoop | 4,016.87 mi (6,464.53 km) |
| Portage to Boxmeer | 4,079.32 mi (6,565.02 km) |
| Portage to Boxtel | 4,058.74 mi (6,531.91 km) |
| Portage to Breda | 4,037.78 mi (6,498.17 km) |
| Portage to Breukelen | 4,026.32 mi (6,479.73 km) |
| Portage to Brielle | 4,004.53 mi (6,444.67 km) |
| Portage to Bronkhorst | 4,072.84 mi (6,554.60 km) |
| Portage to Brummen | 4,071.62 mi (6,552.63 km) |
| Portage to Brunssum | 4,104.46 mi (6,605.49 km) |
| Portage to Bunnik | 4,039.01 mi (6,500.16 km) |
| Portage to Burgum | 4,027.77 mi (6,482.08 km) |
