| Ferentino to Belvedere Marittimo | 197.98 mi (318.62 km) |
| Ferentino to Benevento | 88.08 mi (141.74 km) |
| Ferentino to Bergamo | 329.80 mi (530.76 km) |
| Ferentino to Bernalda | 199.13 mi (320.47 km) |
| Ferentino to Bertinoro | 179.55 mi (288.96 km) |
| Ferentino to Besana in Brianza | 340.92 mi (548.66 km) |
| Ferentino to Besozzo | 367.53 mi (591.49 km) |
| Ferentino to Biancavilla | 291.62 mi (469.32 km) |
| Ferentino to Biassono | 337.73 mi (543.53 km) |
| Ferentino to Bibbiano | 249.28 mi (401.18 km) |
| Ferentino to Bibbiena | 157.20 mi (252.99 km) |
| Ferentino to Biella | 372.94 mi (600.18 km) |
| Ferentino to Bisceglie | 171.26 mi (275.62 km) |
| Ferentino to Bisignano | 218.45 mi (351.56 km) |
| Ferentino to Bitetto | 186.97 mi (300.90 km) |
