| Portes-les-Valence to Capoterra | 446.18 mi (718.07 km) |
| Portes-les-Valence to Capriolo | 251.53 mi (404.79 km) |
| Portes-les-Valence to Capua | 538.48 mi (866.60 km) |
| Portes-les-Valence to Capurso | 662.79 mi (1,066.65 km) |
| Portes-les-Valence to Carate Brianza | 218.12 mi (351.04 km) |
| Portes-les-Valence to Caravaggio | 236.07 mi (379.91 km) |
| Portes-les-Valence to Carbonera | 364.30 mi (586.28 km) |
| Portes-les-Valence to Carbonia | 436.29 mi (702.15 km) |
| Portes-les-Valence to Cardito | 548.03 mi (881.96 km) |
| Portes-les-Valence to Carignano | 136.92 mi (220.35 km) |
| Portes-les-Valence to Carini | 633.07 mi (1,018.82 km) |
| Portes-les-Valence to Carlentini | 743.16 mi (1,196.01 km) |
| Portes-les-Valence to Carmagnola | 139.10 mi (223.87 km) |
| Portes-les-Valence to Carmiano | 737.97 mi (1,187.65 km) |
| Portes-les-Valence to Carmignano | 311.98 mi (502.08 km) |
