| Opoczno to Amelia | 713.00 mi (1,147.47 km) |
| Opoczno to Anagni | 746.07 mi (1,200.68 km) |
| Opoczno to Ancona | 621.78 mi (1,000.66 km) |
| Opoczno to Andria | 727.08 mi (1,170.12 km) |
| Opoczno to Angri | 784.30 mi (1,262.20 km) |
| Opoczno to Anguillara Sabazia | 745.05 mi (1,199.05 km) |
| Opoczno to Anzio | 776.07 mi (1,248.97 km) |
| Opoczno to Anzola dell'Emilia | 631.21 mi (1,015.84 km) |
| Opoczno to Aosta | 708.30 mi (1,139.89 km) |
| Opoczno to Apricena | 702.50 mi (1,130.57 km) |
| Opoczno to Aprilia | 767.10 mi (1,234.52 km) |
| Opoczno to Aradeo | 783.69 mi (1,261.23 km) |
| Opoczno to Aragona | 1,019.14 mi (1,640.14 km) |
| Opoczno to Arco | 570.71 mi (918.46 km) |
| Opoczno to Arcola | 694.79 mi (1,118.15 km) |
