| Roman to Azcoitia | 1,441.83 mi (2,320.41 km) |
| Roman to Azpeitia | 1,439.63 mi (2,316.86 km) |
| Roman to Azuqueca de Henares | 1,559.21 mi (2,509.31 km) |
| Roman to Badajoz | 1,787.74 mi (2,877.09 km) |
| Roman to Badalona | 1,275.13 mi (2,052.12 km) |
| Roman to Baena | 1,708.08 mi (2,748.89 km) |
| Roman to Baeza | 1,655.30 mi (2,663.95 km) |
| Roman to Bailen | 1,665.60 mi (2,680.52 km) |
| Roman to Balaguer | 1,331.54 mi (2,142.91 km) |
| Roman to Banolas | 1,230.31 mi (1,979.99 km) |
| Roman to Baranain | 1,420.85 mi (2,286.63 km) |
| Roman to Barbadanes | 1,728.16 mi (2,781.21 km) |
| Roman to Barbastro | 1,356.56 mi (2,183.17 km) |
| Roman to Barcelona | 1,279.28 mi (2,058.81 km) |
| Roman to Bargas | 1,614.13 mi (2,597.69 km) |
