| Iona to Cassina de' Pecchi | 4,995.57 mi (8,039.60 km) |
| Iona to Cassino | 5,307.07 mi (8,540.91 km) |
| Iona to Castagneto Carducci | 5,110.28 mi (8,224.21 km) |
| Iona to Castano Primo | 4,967.49 mi (7,994.40 km) |
| Iona to Castel Bolognese | 5,136.46 mi (8,266.33 km) |
| Iona to Castel Gandolfo | 5,244.32 mi (8,439.91 km) |
| Iona to Castel Goffredo | 5,051.22 mi (8,129.15 km) |
| Iona to Castel Maggiore | 5,110.19 mi (8,224.06 km) |
| Iona to Castel Mella | 5,031.53 mi (8,097.47 km) |
| Iona to Castel San Giorgio | 5,368.51 mi (8,639.79 km) |
| Iona to Castel San Giovanni | 5,009.75 mi (8,062.41 km) |
| Iona to Castel San Pietro Terme | 5,124.38 mi (8,246.89 km) |
| Iona to Castel Volturno | 5,323.66 mi (8,567.60 km) |
| Iona to Castelbuono | 5,421.50 mi (8,725.06 km) |
| Iona to Casteldaccia | 5,390.09 mi (8,674.51 km) |
