| Portage to Castelfidardo | 4,689.41 mi (7,546.87 km) |
| Portage to Castelfiorentino | 4,580.80 mi (7,372.08 km) |
| Portage to Castelfranco di Sopra | 4,603.57 mi (7,408.72 km) |
| Portage to Castelfranco di Sotto | 4,567.98 mi (7,351.45 km) |
| Portage to Castelfranco Emilia | 4,543.42 mi (7,311.92 km) |
| Portage to Castelfranco Veneto | 4,534.34 mi (7,297.32 km) |
| Portage to Castellabate | 4,883.45 mi (7,859.15 km) |
| Portage to Castellammare del Golfo | 4,896.14 mi (7,879.58 km) |
| Portage to Castellammare di Stabia | 4,846.04 mi (7,798.94 km) |
| Portage to Castellamonte | 4,378.75 mi (7,046.92 km) |
| Portage to Castellana Grotte | 4,945.71 mi (7,959.36 km) |
| Portage to Castellaneta | 4,947.60 mi (7,962.39 km) |
| Portage to Castellanza | 4,417.03 mi (7,108.52 km) |
| Portage to Castellarano | 4,533.93 mi (7,296.65 km) |
| Portage to Castelleone | 4,463.92 mi (7,183.99 km) |
