| Opoczno to Barberino di Mugello | 659.89 mi (1,062.00 km) |
| Opoczno to Barcellona-Pozzo di Gotto | 946.57 mi (1,523.35 km) |
| Opoczno to Bareggio | 658.62 mi (1,059.94 km) |
| Opoczno to Barga | 678.72 mi (1,092.29 km) |
| Opoczno to Bari | 726.73 mi (1,169.56 km) |
| Opoczno to Barletta | 720.58 mi (1,159.66 km) |
| Opoczno to Baronissi | 780.13 mi (1,255.50 km) |
| Opoczno to Barrafranca | 1,012.75 mi (1,629.87 km) |
| Opoczno to Bassano del Grappa | 549.91 mi (885.00 km) |
| Opoczno to Battipaglia | 785.33 mi (1,263.86 km) |
| Opoczno to Beinasco | 730.06 mi (1,174.92 km) |
| Opoczno to Bellinzago Novarese | 665.89 mi (1,071.65 km) |
| Opoczno to Belluno | 515.22 mi (829.17 km) |
| Opoczno to Belmonte Mezzagno | 980.15 mi (1,577.40 km) |
| Opoczno to Belpasso | 987.61 mi (1,589.41 km) |
