| Ferentino to Barberino di Mugello | 189.80 mi (305.46 km) |
| Ferentino to Barcellona-Pozzo di Gotto | 265.42 mi (427.16 km) |
| Ferentino to Bareggio | 337.46 mi (543.08 km) |
| Ferentino to Barga | 216.66 mi (348.68 km) |
| Ferentino to Bari | 191.34 mi (307.93 km) |
| Ferentino to Barletta | 158.99 mi (255.87 km) |
| Ferentino to Baronissi | 102.16 mi (164.41 km) |
| Ferentino to Barrafranca | 302.51 mi (486.84 km) |
| Ferentino to Bassano del Grappa | 292.10 mi (470.08 km) |
| Ferentino to Battipaglia | 116.46 mi (187.42 km) |
| Ferentino to Beinasco | 366.05 mi (589.10 km) |
| Ferentino to Bellinzago Novarese | 354.71 mi (570.86 km) |
| Ferentino to Belluno | 312.21 mi (502.45 km) |
| Ferentino to Belmonte Mezzagno | 251.14 mi (404.16 km) |
| Ferentino to Belpasso | 297.90 mi (479.42 km) |
