| Cities | Distance |
|---|---|
| Opava to Oria | 652.24 mi (1,049.68 km) |
| Opava to Oristano | 828.08 mi (1,332.66 km) |
| Opava to Orta Nova | 604.00 mi (972.04 km) |
| Opava to Orte | 579.77 mi (933.06 km) |
| Opava to Ortona | 550.31 mi (885.64 km) |
| Opava to Orvieto | 569.91 mi (917.17 km) |
| Opava to Orzinuovi | 485.20 mi (780.85 km) |
| Opava to Osimo | 492.50 mi (792.60 km) |
| Opava to Ospitaletto | 472.92 mi (761.10 km) |
| Opava to Ostuni | 636.18 mi (1,023.83 km) |
| Opava to Ottaviano | 649.38 mi (1,045.08 km) |
| Opava to Ovada | 566.99 mi (912.48 km) |
| Opava to Ozieri | 776.62 mi (1,249.85 km) |
| Opava to Paceco | 867.28 mi (1,395.76 km) |
| Opava to Pachino | 924.14 mi (1,487.27 km) |