| Portchester to Cassina de' Pecchi | 606.34 mi (975.80 km) |
| Portchester to Cassino | 960.31 mi (1,545.47 km) |
| Portchester to Castagneto Carducci | 763.92 mi (1,229.41 km) |
| Portchester to Castano Primo | 583.14 mi (938.47 km) |
| Portchester to Castel Bolognese | 750.50 mi (1,207.81 km) |
| Portchester to Castel Gandolfo | 906.75 mi (1,459.27 km) |
| Portchester to Castel Goffredo | 657.05 mi (1,057.42 km) |
| Portchester to Castel Maggiore | 723.04 mi (1,163.62 km) |
| Portchester to Castel Mella | 636.01 mi (1,023.55 km) |
| Portchester to Castel San Giorgio | 1,027.29 mi (1,653.26 km) |
| Portchester to Castel San Giovanni | 630.38 mi (1,014.49 km) |
| Portchester to Castel San Pietro Terme | 738.67 mi (1,188.77 km) |
| Portchester to Castel Volturno | 986.26 mi (1,587.24 km) |
| Portchester to Castelbuono | 1,161.61 mi (1,869.43 km) |
| Portchester to Casteldaccia | 1,137.43 mi (1,830.52 km) |
