| Cities | Distance |
|---|
| Opoczno to Orbetello | 750.32 mi (1,207.52 km) |
| Opoczno to Oria | 762.14 mi (1,226.55 km) |
| Opoczno to Oristano | 970.77 mi (1,562.31 km) |
| Opoczno to Orta Nova | 727.26 mi (1,170.40 km) |
| Opoczno to Orte | 719.20 mi (1,157.43 km) |
| Opoczno to Ortona | 682.37 mi (1,098.16 km) |
| Opoczno to Orvieto | 710.44 mi (1,143.34 km) |
| Opoczno to Orzinuovi | 628.42 mi (1,011.34 km) |
| Opoczno to Osimo | 630.72 mi (1,015.05 km) |
| Opoczno to Ospitaletto | 616.05 mi (991.44 km) |
| Opoczno to Ostuni | 746.62 mi (1,201.57 km) |
| Opoczno to Ottaviano | 778.15 mi (1,252.31 km) |
| Opoczno to Ovada | 710.04 mi (1,142.69 km) |
| Opoczno to Ozieri | 919.44 mi (1,479.70 km) |
| Opoczno to Paceco | 999.09 mi (1,607.89 km) |
