| Cities | Distance |
|---|---|
| Castricum to Sestu | 939.45 mi (1,511.89 km) |
| Castricum to Settimo Torinese | 531.35 mi (855.12 km) |
| Castricum to Seveso | 518.04 mi (833.71 km) |
| Castricum to Sezze | 858.55 mi (1,381.71 km) |
| Castricum to Siano | 938.63 mi (1,510.57 km) |
| Castricum to Siena | 707.82 mi (1,139.13 km) |
| Castricum to Signa | 673.74 mi (1,084.28 km) |
| Castricum to Silea | 587.61 mi (945.67 km) |
| Castricum to Silvi Paese | 817.98 mi (1,316.42 km) |
| Castricum to Sinalunga | 722.42 mi (1,162.62 km) |
| Castricum to Siniscola | 860.71 mi (1,385.18 km) |
| Castricum to Sinnai | 940.43 mi (1,513.48 km) |
| Castricum to Siracusa | 1,186.67 mi (1,909.76 km) |
| Castricum to Solaro | 518.94 mi (835.15 km) |
| Castricum to Soliera | 610.15 mi (981.94 km) |