| Ionia to Cassina de' Pecchi | 4,385.26 mi (7,057.40 km) |
| Ionia to Cassino | 4,731.27 mi (7,614.24 km) |
| Ionia to Castagneto Carducci | 4,530.25 mi (7,290.73 km) |
| Ionia to Castano Primo | 4,360.21 mi (7,017.08 km) |
| Ionia to Castel Bolognese | 4,530.29 mi (7,290.80 km) |
| Ionia to Castel Gandolfo | 4,672.98 mi (7,520.43 km) |
| Ionia to Castel Goffredo | 4,437.73 mi (7,141.84 km) |
| Ionia to Castel Maggiore | 4,502.83 mi (7,246.60 km) |
| Ionia to Castel Mella | 4,416.78 mi (7,108.12 km) |
| Ionia to Castel San Giorgio | 4,797.53 mi (7,720.88 km) |
| Ionia to Castel San Giovanni | 4,406.62 mi (7,091.77 km) |
| Ionia to Castel San Pietro Terme | 4,518.28 mi (7,271.46 km) |
| Ionia to Castel Volturno | 4,754.24 mi (7,651.21 km) |
| Ionia to Castelbuono | 4,899.26 mi (7,884.60 km) |
| Ionia to Casteldaccia | 4,870.44 mi (7,838.22 km) |
