| Iona to Castelfidardo | 5,239.37 mi (8,431.95 km) |
| Iona to Castelfiorentino | 5,116.38 mi (8,234.02 km) |
| Iona to Castelfranco di Sopra | 5,143.25 mi (8,277.26 km) |
| Iona to Castelfranco di Sotto | 5,103.77 mi (8,213.72 km) |
| Iona to Castelfranco Emilia | 5,095.06 mi (8,199.71 km) |
| Iona to Castelfranco Veneto | 5,107.79 mi (8,220.20 km) |
| Iona to Castellabate | 5,395.12 mi (8,682.61 km) |
| Iona to Castellammare del Golfo | 5,358.37 mi (8,623.46 km) |
| Iona to Castellammare di Stabia | 5,360.58 mi (8,627.02 km) |
| Iona to Castellamonte | 4,923.15 mi (7,923.04 km) |
| Iona to Castellana Grotte | 5,482.19 mi (8,822.73 km) |
| Iona to Castellaneta | 5,478.75 mi (8,817.20 km) |
| Iona to Castellanza | 4,972.00 mi (8,001.66 km) |
| Iona to Castellarano | 5,083.47 mi (8,181.05 km) |
| Iona to Castelleone | 5,018.80 mi (8,076.98 km) |
