| Portes-les-Valence to Ardea | 446.69 mi (718.88 km) |
| Portes-les-Valence to Arenzano | 189.80 mi (305.45 km) |
| Portes-les-Valence to Arese | 209.23 mi (336.72 km) |
| Portes-les-Valence to Arezzo | 360.30 mi (579.85 km) |
| Portes-les-Valence to Argelato | 318.30 mi (512.26 km) |
| Portes-les-Valence to Argenta | 341.76 mi (550.01 km) |
| Portes-les-Valence to Ariano Irpino | 575.86 mi (926.76 km) |
| Portes-les-Valence to Ariccia | 448.10 mi (721.14 km) |
| Portes-les-Valence to Arluno | 202.22 mi (325.45 km) |
| Portes-les-Valence to Arona | 189.08 mi (304.29 km) |
| Portes-les-Valence to Artena | 458.51 mi (737.90 km) |
| Portes-les-Valence to Arzachena | 346.98 mi (558.41 km) |
| Portes-les-Valence to Arzano | 547.82 mi (881.63 km) |
| Portes-les-Valence to Arzignano | 317.42 mi (510.84 km) |
| Portes-les-Valence to Ascoli Piceno | 455.45 mi (732.98 km) |
