| Opfikon to Chivasso | 158.28 mi (254.73 km) |
| Opfikon to Ciampino | 436.71 mi (702.81 km) |
| Opfikon to Cicciano | 535.33 mi (861.54 km) |
| Opfikon to Cingoli | 360.19 mi (579.67 km) |
| Opfikon to Cinisello Balsamo | 133.74 mi (215.24 km) |
| Opfikon to Cinisi | 679.94 mi (1,094.27 km) |
| Opfikon to Cirie | 158.71 mi (255.41 km) |
| Opfikon to Ciro Marina | 702.74 mi (1,130.95 km) |
| Opfikon to Cislago | 124.67 mi (200.64 km) |
| Opfikon to Cisterna di Latina | 454.85 mi (732.00 km) |
| Opfikon to Cisternino | 637.91 mi (1,026.61 km) |
| Opfikon to Citta di Castello | 327.18 mi (526.55 km) |
| Opfikon to Citta Sant'Angelo | 432.46 mi (695.98 km) |
| Opfikon to Cittadella | 196.31 mi (315.93 km) |
| Opfikon to Cittanova | 733.12 mi (1,179.84 km) |
