| Cities | Distance |
|---|
| Opoczno to Opwijk | 696.79 mi (1,121.37 km) |
| Opoczno to Ostend | 748.57 mi (1,204.71 km) |
| Opoczno to Oud-Heverlee | 677.41 mi (1,090.18 km) |
| Opoczno to Oud-Turnhout | 659.25 mi (1,060.97 km) |
| Opoczno to Oudenaarde | 723.15 mi (1,163.80 km) |
| Opoczno to Oudenburg | 745.51 mi (1,199.77 km) |
| Opoczno to Oupeye | 636.76 mi (1,024.77 km) |
| Opoczno to Overijse | 683.72 mi (1,100.34 km) |
| Opoczno to Overpelt | 641.43 mi (1,032.28 km) |
| Opoczno to Paal | 653.49 mi (1,051.69 km) |
| Opoczno to Peer | 640.56 mi (1,030.87 km) |
| Opoczno to Pepinster | 631.02 mi (1,015.53 km) |
| Opoczno to Peruwelz | 727.97 mi (1,171.55 km) |
| Opoczno to Perwez | 673.49 mi (1,083.87 km) |
| Opoczno to Philippeville | 690.82 mi (1,111.77 km) |
