| Opfikon to Castrovillari | 649.46 mi (1,045.20 km) |
| Opfikon to Catania | 761.95 mi (1,226.24 km) |
| Opfikon to Catanzaro | 714.34 mi (1,149.62 km) |
| Opfikon to Cattolica | 312.63 mi (503.12 km) |
| Opfikon to Cava de' Tirreni | 555.61 mi (894.17 km) |
| Opfikon to Cavallino | 686.01 mi (1,104.02 km) |
| Opfikon to Cavarzere | 230.91 mi (371.62 km) |
| Opfikon to Cave | 443.34 mi (713.49 km) |
| Opfikon to Cavriago | 211.06 mi (339.67 km) |
| Opfikon to Cavriglia | 305.23 mi (491.22 km) |
| Opfikon to Cazzago San Martino | 145.53 mi (234.21 km) |
| Opfikon to Ceccano | 468.27 mi (753.61 km) |
| Opfikon to Cecina | 299.74 mi (482.38 km) |
| Opfikon to Cefalu | 705.47 mi (1,135.34 km) |
| Opfikon to Ceglie Messapico | 644.55 mi (1,037.31 km) |
