| Portes-les-Valence to Cassino | 507.47 mi (816.69 km) |
| Portes-les-Valence to Castagneto Carducci | 307.76 mi (495.30 km) |
| Portes-les-Valence to Castano Primo | 195.03 mi (313.87 km) |
| Portes-les-Valence to Castel Bolognese | 342.70 mi (551.52 km) |
| Portes-les-Valence to Castel Gandolfo | 446.35 mi (718.34 km) |
| Portes-les-Valence to Castel Goffredo | 274.63 mi (441.98 km) |
| Portes-les-Valence to Castel Maggiore | 319.26 mi (513.79 km) |
| Portes-les-Valence to Castel Mella | 260.38 mi (419.05 km) |
| Portes-les-Valence to Castel San Giorgio | 571.83 mi (920.28 km) |
| Portes-les-Valence to Castel San Giovanni | 223.09 mi (359.02 km) |
| Portes-les-Valence to Castel San Pietro Terme | 331.27 mi (533.12 km) |
| Portes-les-Valence to Castel Volturno | 527.49 mi (848.92 km) |
| Portes-les-Valence to Castelbuono | 676.22 mi (1,088.27 km) |
| Portes-les-Valence to Casteldaccia | 649.78 mi (1,045.72 km) |
| Portes-les-Valence to Castelfidardo | 440.33 mi (708.64 km) |
