| Opmeer to Busto Arsizio | 520.31 mi (837.35 km) |
| Opmeer to Busto Garolfo | 525.05 mi (844.98 km) |
| Opmeer to Cabras | 898.22 mi (1,445.55 km) |
| Opmeer to Cadelbosco di Sopra | 605.15 mi (973.89 km) |
| Opmeer to Cadoneghe | 591.69 mi (952.23 km) |
| Opmeer to Cagli | 724.17 mi (1,165.44 km) |
| Opmeer to Cagliari | 951.64 mi (1,531.51 km) |
| Opmeer to Cairo Montenotte | 593.03 mi (954.39 km) |
| Opmeer to Caivano | 922.62 mi (1,484.81 km) |
| Opmeer to Calcinaia | 674.94 mi (1,086.22 km) |
| Opmeer to Calcinato | 557.76 mi (897.63 km) |
| Opmeer to Calderara di Reno | 631.08 mi (1,015.62 km) |
| Opmeer to Caldogno | 572.28 mi (921.00 km) |
| Opmeer to Calenzano | 673.33 mi (1,083.62 km) |
| Opmeer to Calolziocorte | 517.60 mi (833.00 km) |
