| Viterbo to Belvedere Marittimo | 275.54 mi (443.43 km) |
| Viterbo to Benevento | 164.13 mi (264.14 km) |
| Viterbo to Bergamo | 256.59 mi (412.94 km) |
| Viterbo to Bernalda | 274.58 mi (441.89 km) |
| Viterbo to Bertinoro | 119.64 mi (192.54 km) |
| Viterbo to Besana in Brianza | 266.46 mi (428.82 km) |
| Viterbo to Besozzo | 291.94 mi (469.83 km) |
| Viterbo to Biancavilla | 360.38 mi (579.97 km) |
| Viterbo to Biassono | 263.03 mi (423.31 km) |
| Viterbo to Bibbiano | 175.64 mi (282.67 km) |
| Viterbo to Bibbiena | 89.72 mi (144.39 km) |
| Viterbo to Biella | 295.88 mi (476.17 km) |
| Viterbo to Bisceglie | 240.66 mi (387.31 km) |
| Viterbo to Bisignano | 296.13 mi (476.58 km) |
| Viterbo to Bitetto | 257.94 mi (415.11 km) |
