| Formia to Barberino di Mugello | 224.27 mi (360.93 km) |
| Formia to Barcellona-Pozzo di Gotto | 231.52 mi (372.59 km) |
| Formia to Bareggio | 371.85 mi (598.43 km) |
| Formia to Barga | 250.98 mi (403.92 km) |
| Formia to Bari | 169.24 mi (272.37 km) |
| Formia to Barletta | 138.47 mi (222.85 km) |
| Formia to Baronissi | 70.09 mi (112.80 km) |
| Formia to Barrafranca | 271.26 mi (436.55 km) |
| Formia to Bassano del Grappa | 324.89 mi (522.85 km) |
| Formia to Battipaglia | 84.28 mi (135.64 km) |
| Formia to Beinasco | 399.37 mi (642.72 km) |
| Formia to Bellinzago Novarese | 389.05 mi (626.11 km) |
| Formia to Belluno | 343.90 mi (553.46 km) |
| Formia to Belmonte Mezzagno | 222.60 mi (358.24 km) |
| Formia to Belpasso | 264.73 mi (426.05 km) |
