| Viterbo to Bitonto | 252.50 mi (406.36 km) |
| Viterbo to Bitritto | 261.48 mi (420.81 km) |
| Viterbo to Bollate | 262.39 mi (422.27 km) |
| Viterbo to Bologna | 148.39 mi (238.80 km) |
| Viterbo to Bolzano | 284.27 mi (457.50 km) |
| Viterbo to Bomporto | 168.67 mi (271.45 km) |
| Viterbo to Bonate di Sopra | 258.34 mi (415.77 km) |
| Viterbo to Bondeno | 173.73 mi (279.59 km) |
| Viterbo to Bordighera | 242.87 mi (390.86 km) |
| Viterbo to Borgaro Torinese | 291.44 mi (469.02 km) |
| Viterbo to Borgo a Buggiano | 122.54 mi (197.21 km) |
| Viterbo to Borgo San Dalmazzo | 267.07 mi (429.80 km) |
| Viterbo to Borgo San Lorenzo | 111.87 mi (180.03 km) |
| Viterbo to Borgomanero | 289.80 mi (466.39 km) |
| Viterbo to Borgoricco | 214.17 mi (344.67 km) |
