| Opovo to Barberino di Mugello | 458.26 mi (737.50 km) |
| Opovo to Barcellona-Pozzo di Gotto | 547.41 mi (880.96 km) |
| Opovo to Bareggio | 556.99 mi (896.38 km) |
| Opovo to Barga | 494.05 mi (795.09 km) |
| Opovo to Bari | 325.40 mi (523.69 km) |
| Opovo to Barletta | 331.95 mi (534.22 km) |
| Opovo to Baronissi | 412.79 mi (664.33 km) |
| Opovo to Barrafranca | 621.51 mi (1,000.22 km) |
| Opovo to Bassano del Grappa | 424.48 mi (683.13 km) |
| Opovo to Battipaglia | 412.21 mi (663.38 km) |
| Opovo to Beinasco | 626.63 mi (1,008.46 km) |
| Opovo to Bellinzago Novarese | 573.81 mi (923.46 km) |
| Opovo to Belluno | 403.95 mi (650.10 km) |
| Opovo to Belmonte Mezzagno | 605.14 mi (973.87 km) |
| Opovo to Belpasso | 588.03 mi (946.35 km) |
