| Portes-les-Valence to Carovigno | 708.73 mi (1,140.59 km) |
| Portes-les-Valence to Carpenedolo | 272.94 mi (439.26 km) |
| Portes-les-Valence to Carpi | 294.35 mi (473.71 km) |
| Portes-les-Valence to Carrara | 263.26 mi (423.67 km) |
| Portes-les-Valence to Carugate | 221.89 mi (357.10 km) |
| Portes-les-Valence to Casal di Principe | 538.22 mi (866.18 km) |
| Portes-les-Valence to Casale Monferrato | 175.90 mi (283.08 km) |
| Portes-les-Valence to Casale sul Sile | 366.13 mi (589.23 km) |
| Portes-les-Valence to Casalecchio di Reno | 315.84 mi (508.29 km) |
| Portes-les-Valence to Casalgrande | 288.13 mi (463.71 km) |
| Portes-les-Valence to Casalmaggiore | 270.97 mi (436.09 km) |
| Portes-les-Valence to Casalnuovo di Napoli | 551.47 mi (887.50 km) |
| Portes-les-Valence to Casalpusterlengo | 234.03 mi (376.63 km) |
| Portes-les-Valence to Casaluce | 541.77 mi (871.89 km) |
| Portes-les-Valence to Casamassima | 666.00 mi (1,071.83 km) |
