| Idil to Arcos de Valdevez | 2,658.43 mi (4,278.32 km) |
| Idil to Arcozelo | 2,680.11 mi (4,313.22 km) |
| Idil to Arganil | 2,662.04 mi (4,284.13 km) |
| Idil to Arouca | 2,661.63 mi (4,283.47 km) |
| Idil to Arruda dos Vinhos | 2,734.09 mi (4,400.09 km) |
| Idil to Aveiro | 2,686.62 mi (4,323.69 km) |
| Idil to Aver-o-Mar | 2,681.96 mi (4,316.19 km) |
| Idil to Aves | 2,657.63 mi (4,277.04 km) |
| Idil to Azambuja | 2,722.27 mi (4,381.08 km) |
| Idil to Baiao | 2,647.65 mi (4,260.99 km) |
| Idil to Barcelos | 2,672.72 mi (4,301.33 km) |
| Idil to Barreiro | 2,739.53 mi (4,408.85 km) |
| Idil to Batalha | 2,709.28 mi (4,360.16 km) |
| Idil to Beja | 2,688.65 mi (4,326.97 km) |
| Idil to Belas | 2,748.33 mi (4,423.02 km) |
