| Portage to Ayamonte | 4,021.56 mi (6,472.08 km) |
| Portage to Azcoitia | 4,040.28 mi (6,502.20 km) |
| Portage to Azpeitia | 4,042.15 mi (6,505.22 km) |
| Portage to Azuqueca de Henares | 4,090.48 mi (6,583.00 km) |
| Portage to Badajoz | 3,981.44 mi (6,407.51 km) |
| Portage to Badalona | 4,301.13 mi (6,922.00 km) |
| Portage to Baena | 4,150.05 mi (6,678.86 km) |
| Portage to Baeza | 4,175.66 mi (6,720.07 km) |
| Portage to Bailen | 4,158.17 mi (6,691.93 km) |
| Portage to Balaguer | 4,225.78 mi (6,800.74 km) |
| Portage to Banolas | 4,298.16 mi (6,917.21 km) |
| Portage to Baranain | 4,081.62 mi (6,568.74 km) |
| Portage to Barbadanes | 3,822.45 mi (6,151.63 km) |
| Portage to Barbastro | 4,187.19 mi (6,738.63 km) |
| Portage to Barcelona | 4,300.61 mi (6,921.16 km) |
