| Opoczno to Bitonto | 729.31 mi (1,173.71 km) |
| Opoczno to Bitritto | 732.18 mi (1,178.33 km) |
| Opoczno to Bollate | 649.97 mi (1,046.02 km) |
| Opoczno to Bologna | 629.64 mi (1,013.30 km) |
| Opoczno to Bolzano | 526.60 mi (847.48 km) |
| Opoczno to Bomporto | 626.24 mi (1,007.84 km) |
| Opoczno to Bonate di Sopra | 627.71 mi (1,010.19 km) |
| Opoczno to Bondeno | 606.31 mi (975.76 km) |
| Opoczno to Bordighera | 786.24 mi (1,265.34 km) |
| Opoczno to Borgaro Torinese | 721.54 mi (1,161.20 km) |
| Opoczno to Borgo a Buggiano | 681.49 mi (1,096.75 km) |
| Opoczno to Borgo San Dalmazzo | 765.73 mi (1,232.33 km) |
| Opoczno to Borgo San Lorenzo | 658.56 mi (1,059.85 km) |
| Opoczno to Borgomanero | 666.73 mi (1,073.00 km) |
| Opoczno to Borgoricco | 555.53 mi (894.04 km) |
