| Portes-les-Valence to Cesa | 544.48 mi (876.25 km) |
| Portes-les-Valence to Cesano Maderno | 214.12 mi (344.59 km) |
| Portes-les-Valence to Cesena | 366.46 mi (589.76 km) |
| Portes-les-Valence to Cesenatico | 373.03 mi (600.34 km) |
| Portes-les-Valence to Cetraro | 676.73 mi (1,089.09 km) |
| Portes-les-Valence to Cherasco | 147.50 mi (237.38 km) |
| Portes-les-Valence to Chiampo | 315.26 mi (507.36 km) |
| Portes-les-Valence to Chiaravalle | 427.57 mi (688.11 km) |
| Portes-les-Valence to Chiari | 247.79 mi (398.78 km) |
| Portes-les-Valence to Chiavari | 222.60 mi (358.24 km) |
| Portes-les-Valence to Chieri | 144.39 mi (232.38 km) |
| Portes-les-Valence to Chieti | 496.02 mi (798.27 km) |
| Portes-les-Valence to Chioggia | 362.03 mi (582.63 km) |
| Portes-les-Valence to Chiusi | 374.39 mi (602.52 km) |
| Portes-les-Valence to Chivasso | 148.63 mi (239.20 km) |
