| Viterbo to Barberino di Mugello | 117.72 mi (189.44 km) |
| Viterbo to Barcellona-Pozzo di Gotto | 337.43 mi (543.03 km) |
| Viterbo to Bareggio | 261.60 mi (421.01 km) |
| Viterbo to Barga | 140.58 mi (226.25 km) |
| Viterbo to Bari | 261.13 mi (420.24 km) |
| Viterbo to Barletta | 228.08 mi (367.05 km) |
| Viterbo to Baronissi | 179.82 mi (289.39 km) |
| Viterbo to Barrafranca | 366.27 mi (589.46 km) |
| Viterbo to Bassano del Grappa | 232.06 mi (373.46 km) |
| Viterbo to Battipaglia | 194.11 mi (312.38 km) |
| Viterbo to Beinasco | 288.35 mi (464.06 km) |
| Viterbo to Bellinzago Novarese | 278.46 mi (448.13 km) |
| Viterbo to Belluno | 257.20 mi (413.93 km) |
| Viterbo to Belmonte Mezzagno | 309.28 mi (497.73 km) |
| Viterbo to Belpasso | 367.14 mi (590.85 km) |
