| Opalenica to Campos del Puerto | 1,094.78 mi (1,761.87 km) |
| Opalenica to Canals | 1,228.68 mi (1,977.37 km) |
| Opalenica to Candelaria | 2,355.30 mi (3,790.49 km) |
| Opalenica to Canet de Mar | 983.46 mi (1,582.73 km) |
| Opalenica to Cangas | 1,359.31 mi (2,187.59 km) |
| Opalenica to Cangas de Narcea | 1,231.41 mi (1,981.77 km) |
| Opalenica to Canovellas | 991.32 mi (1,595.37 km) |
| Opalenica to Canteras | 1,319.32 mi (2,123.25 km) |
| Opalenica to Cantillana | 1,476.74 mi (2,376.59 km) |
| Opalenica to Capdepera | 1,067.44 mi (1,717.89 km) |
| Opalenica to Carballo | 1,314.56 mi (2,115.58 km) |
| Opalenica to Carcagente | 1,215.38 mi (1,955.96 km) |
| Opalenica to Cardedeu | 987.62 mi (1,589.43 km) |
| Opalenica to Carlet | 1,211.84 mi (1,950.26 km) |
| Opalenica to Carmona | 1,477.53 mi (2,377.85 km) |
