| Opava to Chojnow | 126.08 mi (202.91 km) |
| Opava to Chorzow | 52.64 mi (84.72 km) |
| Opava to Choszczno | 247.32 mi (398.02 km) |
| Opava to Chrzanow | 67.73 mi (109.00 km) |
| Opava to Ciechanow | 234.01 mi (376.60 km) |
| Opava to Ciechocinek | 206.98 mi (333.11 km) |
| Opava to Cieszyn | 34.98 mi (56.30 km) |
| Opava to Czarna Bialostocka | 327.25 mi (526.65 km) |
| Opava to Czarnkow | 212.60 mi (342.15 km) |
| Opava to Czechowice-Dziedzice | 49.05 mi (78.94 km) |
| Opava to Czeladz | 58.92 mi (94.82 km) |
| Opava to Czersk Pomorski | 266.35 mi (428.65 km) |
| Opava to Czestochowa | 80.00 mi (128.75 km) |
| Opava to Czluchow | 258.64 mi (416.24 km) |
| Opava to Dabrowa Gornicza | 62.69 mi (100.88 km) |
