| Idanha-a-Nova to Cervignano del Friuli | 1,114.67 mi (1,793.89 km) |
| Idanha-a-Nova to Cesa | 1,128.30 mi (1,815.82 km) |
| Idanha-a-Nova to Cesano Maderno | 917.44 mi (1,476.48 km) |
| Idanha-a-Nova to Cesena | 1,038.54 mi (1,671.36 km) |
| Idanha-a-Nova to Cesenatico | 1,046.57 mi (1,684.29 km) |
| Idanha-a-Nova to Cetraro | 1,229.15 mi (1,978.13 km) |
| Idanha-a-Nova to Cherasco | 836.65 mi (1,346.46 km) |
| Idanha-a-Nova to Chiampo | 1,014.15 mi (1,632.11 km) |
| Idanha-a-Nova to Chiaravalle | 1,087.07 mi (1,749.47 km) |
| Idanha-a-Nova to Chiari | 948.74 mi (1,526.84 km) |
| Idanha-a-Nova to Chiavari | 899.92 mi (1,448.28 km) |
| Idanha-a-Nova to Chieri | 842.61 mi (1,356.04 km) |
| Idanha-a-Nova to Chieti | 1,123.21 mi (1,807.63 km) |
| Idanha-a-Nova to Chioggia | 1,055.08 mi (1,697.99 km) |
| Idanha-a-Nova to Chiusi | 1,013.64 mi (1,631.30 km) |
