| Ionia to Chivasso | 4,339.40 mi (6,983.60 km) |
| Ionia to Ciampino | 4,668.61 mi (7,513.39 km) |
| Ionia to Cicciano | 4,782.75 mi (7,697.09 km) |
| Ionia to Cingoli | 4,626.27 mi (7,445.26 km) |
| Ionia to Cinisello Balsamo | 4,378.01 mi (7,045.72 km) |
| Ionia to Cinisi | 4,847.18 mi (7,800.78 km) |
| Ionia to Cirie | 4,326.18 mi (6,962.31 km) |
| Ionia to Ciro Marina | 4,958.59 mi (7,980.07 km) |
| Ionia to Cislago | 4,364.15 mi (7,023.42 km) |
| Ionia to Cisterna di Latina | 4,686.82 mi (7,542.70 km) |
| Ionia to Cisternino | 4,908.87 mi (7,900.07 km) |
| Ionia to Citta di Castello | 4,583.73 mi (7,376.81 km) |
| Ionia to Citta Sant'Angelo | 4,695.80 mi (7,557.16 km) |
| Ionia to Cittadella | 4,474.42 mi (7,200.88 km) |
| Ionia to Cittanova | 4,962.45 mi (7,986.29 km) |
