| Ionia to Cervignano del Friuli | 4,527.03 mi (7,285.55 km) |
| Ionia to Cesa | 4,770.66 mi (7,677.63 km) |
| Ionia to Cesano Maderno | 4,371.98 mi (7,036.03 km) |
| Ionia to Cesena | 4,555.24 mi (7,330.95 km) |
| Ionia to Cesenatico | 4,558.58 mi (7,336.33 km) |
| Ionia to Cetraro | 4,905.15 mi (7,894.08 km) |
| Ionia to Cherasco | 4,359.96 mi (7,016.67 km) |
| Ionia to Chiampo | 4,459.08 mi (7,176.20 km) |
| Ionia to Chiaravalle | 4,620.92 mi (7,436.66 km) |
| Ionia to Chiari | 4,405.50 mi (7,089.96 km) |
| Ionia to Chiavari | 4,432.22 mi (7,132.97 km) |
| Ionia to Chieri | 4,343.79 mi (6,990.66 km) |
| Ionia to Chieti | 4,707.66 mi (7,576.25 km) |
| Ionia to Chioggia | 4,511.47 mi (7,260.51 km) |
| Ionia to Chiusi | 4,590.74 mi (7,388.08 km) |
