| Opmeer to Caltagirone | 1,163.75 mi (1,872.87 km) |
| Opmeer to Caltanissetta | 1,138.87 mi (1,832.83 km) |
| Opmeer to Calvisano | 563.30 mi (906.54 km) |
| Opmeer to Calvizzano | 923.17 mi (1,485.70 km) |
| Opmeer to Camaiore | 653.25 mi (1,051.30 km) |
| Opmeer to Cameri | 524.69 mi (844.41 km) |
| Opmeer to Camisano Vicentino | 582.52 mi (937.47 km) |
| Opmeer to Campagna | 958.48 mi (1,542.52 km) |
| Opmeer to Campagnano di Roma | 807.56 mi (1,299.64 km) |
| Opmeer to Campi Bisenzio | 675.88 mi (1,087.72 km) |
| Opmeer to Campi Salentina | 1,049.01 mi (1,688.21 km) |
| Opmeer to Campiglia Marittima | 714.96 mi (1,150.62 km) |
| Opmeer to Campobasso | 892.81 mi (1,436.83 km) |
| Opmeer to Campobello di Licata | 1,151.85 mi (1,853.72 km) |
| Opmeer to Campobello di Mazara | 1,106.61 mi (1,780.92 km) |
