| Ionia to Busto Arsizio | 4,361.12 mi (7,018.54 km) |
| Ionia to Busto Garolfo | 4,365.05 mi (7,024.87 km) |
| Ionia to Cabras | 4,579.36 mi (7,369.76 km) |
| Ionia to Cadelbosco di Sopra | 4,464.33 mi (7,184.64 km) |
| Ionia to Cadoneghe | 4,488.49 mi (7,223.52 km) |
| Ionia to Cagli | 4,596.07 mi (7,396.66 km) |
| Ionia to Cagliari | 4,633.39 mi (7,456.72 km) |
| Ionia to Cairo Montenotte | 4,386.01 mi (7,058.60 km) |
| Ionia to Caivano | 4,774.08 mi (7,683.14 km) |
| Ionia to Calcinaia | 4,509.53 mi (7,257.39 km) |
| Ionia to Calcinato | 4,428.86 mi (7,127.56 km) |
| Ionia to Calderara di Reno | 4,498.88 mi (7,240.25 km) |
| Ionia to Caldogno | 4,465.25 mi (7,186.13 km) |
| Ionia to Calenzano | 4,523.90 mi (7,280.52 km) |
| Ionia to Calolziocorte | 4,376.56 mi (7,043.40 km) |
