| Iona to Castelletto sopra Ticino | 4,957.54 mi (7,978.40 km) |
| Iona to Castelli Calepio | 5,016.98 mi (8,074.05 km) |
| Iona to Castelnovo ne' Monti | 5,069.18 mi (8,158.06 km) |
| Iona to Castelnuovo Berardenga | 5,147.90 mi (8,284.75 km) |
| Iona to Castelnuovo di Porto | 5,226.68 mi (8,411.53 km) |
| Iona to Castelnuovo di Verona | 5,061.10 mi (8,145.06 km) |
| Iona to Castelnuovo Rangone | 5,090.77 mi (8,192.80 km) |
| Iona to Castelvetrano | 5,363.68 mi (8,632.01 km) |
| Iona to Castelvetro di Modena | 5,092.79 mi (8,196.06 km) |
| Iona to Castenaso | 5,116.40 mi (8,234.06 km) |
| Iona to Castenedolo | 5,038.90 mi (8,109.33 km) |
| Iona to Castiglion Fiorentino | 5,167.28 mi (8,315.94 km) |
| Iona to Castiglione del Lago | 5,178.68 mi (8,334.28 km) |
| Iona to Castiglione delle Stiviere | 5,049.85 mi (8,126.94 km) |
| Iona to Castrolibero | 5,483.35 mi (8,824.60 km) |
