| Ionia to Castelletto sopra Ticino | 4,348.33 mi (6,997.96 km) |
| Ionia to Castelli Calepio | 4,401.58 mi (7,083.66 km) |
| Ionia to Castelnovo ne' Monti | 4,470.04 mi (7,193.84 km) |
| Ionia to Castelnuovo Berardenga | 4,559.02 mi (7,337.04 km) |
| Ionia to Castelnuovo di Porto | 4,650.31 mi (7,483.95 km) |
| Ionia to Castelnuovo di Verona | 4,443.67 mi (7,151.40 km) |
| Ionia to Castelnuovo Rangone | 4,486.40 mi (7,220.16 km) |
| Ionia to Castelvetrano | 4,855.61 mi (7,814.35 km) |
| Ionia to Castelvetro di Modena | 4,489.12 mi (7,224.54 km) |
| Ionia to Castenaso | 4,509.28 mi (7,256.99 km) |
| Ionia to Castenedolo | 4,423.74 mi (7,119.31 km) |
| Ionia to Castiglion Fiorentino | 4,575.72 mi (7,363.91 km) |
| Ionia to Castiglione del Lago | 4,589.51 mi (7,386.10 km) |
| Ionia to Castiglione delle Stiviere | 4,434.57 mi (7,136.75 km) |
| Ionia to Castrolibero | 4,923.53 mi (7,923.65 km) |
