| Ionia to Castrovillari | 4,901.01 mi (7,887.41 km) |
| Ionia to Catania | 4,959.88 mi (7,982.15 km) |
| Ionia to Catanzaro | 4,958.59 mi (7,980.07 km) |
| Ionia to Cattolica | 4,581.74 mi (7,373.60 km) |
| Ionia to Cava de' Tirreni | 4,801.21 mi (7,726.79 km) |
| Ionia to Cavallino | 4,958.13 mi (7,979.34 km) |
| Ionia to Cavarzere | 4,507.22 mi (7,253.68 km) |
| Ionia to Cave | 4,681.34 mi (7,533.89 km) |
| Ionia to Cavriago | 4,464.42 mi (7,184.79 km) |
| Ionia to Cavriglia | 4,551.10 mi (7,324.29 km) |
| Ionia to Cazzago San Martino | 4,408.60 mi (7,094.96 km) |
| Ionia to Ceccano | 4,708.24 mi (7,577.19 km) |
| Ionia to Cecina | 4,520.68 mi (7,275.33 km) |
| Ionia to Cefalu | 4,891.34 mi (7,871.85 km) |
| Ionia to Ceglie Messapico | 4,915.28 mi (7,910.39 km) |
