| Opfikon to Celano | 442.99 mi (712.93 km) |
| Opfikon to Cento | 227.46 mi (366.05 km) |
| Opfikon to Cepagatti | 441.35 mi (710.28 km) |
| Opfikon to Ceprano | 473.86 mi (762.60 km) |
| Opfikon to Cercola | 536.35 mi (863.18 km) |
| Opfikon to Cerea | 199.48 mi (321.03 km) |
| Opfikon to Cerese | 194.92 mi (313.69 km) |
| Opfikon to Cerignola | 558.78 mi (899.27 km) |
| Opfikon to Cermenate | 122.25 mi (196.74 km) |
| Opfikon to Cernusco sul Naviglio | 137.35 mi (221.05 km) |
| Opfikon to Cerreto Guidi | 276.95 mi (445.71 km) |
| Opfikon to Cerro Maggiore | 127.97 mi (205.95 km) |
| Opfikon to Certaldo | 293.96 mi (473.08 km) |
| Opfikon to Cerveteri | 413.44 mi (665.36 km) |
| Opfikon to Cervia | 285.19 mi (458.96 km) |
