| Portes-les-Valence to Cento | 314.16 mi (505.59 km) |
| Portes-les-Valence to Cepagatti | 490.88 mi (790.00 km) |
| Portes-les-Valence to Ceprano | 491.61 mi (791.16 km) |
| Portes-les-Valence to Cercola | 553.35 mi (890.53 km) |
| Portes-les-Valence to Cerea | 310.31 mi (499.39 km) |
| Portes-les-Valence to Cerese | 287.35 mi (462.45 km) |
| Portes-les-Valence to Cerignola | 608.99 mi (980.07 km) |
| Portes-les-Valence to Cermenate | 212.30 mi (341.67 km) |
| Portes-les-Valence to Cernusco sul Naviglio | 221.48 mi (356.44 km) |
| Portes-les-Valence to Cerreto Guidi | 306.54 mi (493.33 km) |
| Portes-les-Valence to Cerro Maggiore | 204.43 mi (329.00 km) |
| Portes-les-Valence to Certaldo | 318.65 mi (512.82 km) |
| Portes-les-Valence to Cerveteri | 413.01 mi (664.67 km) |
| Portes-les-Valence to Cervia | 370.48 mi (596.23 km) |
| Portes-les-Valence to Cervignano del Friuli | 415.74 mi (669.07 km) |
