| Sierre to Arcos de Valdevez | 847.65 mi (1,364.16 km) |
| Sierre to Arcozelo | 883.55 mi (1,421.94 km) |
| Sierre to Arganil | 887.61 mi (1,428.47 km) |
| Sierre to Arouca | 869.95 mi (1,400.04 km) |
| Sierre to Arruda dos Vinhos | 980.65 mi (1,578.20 km) |
| Sierre to Aveiro | 898.79 mi (1,446.46 km) |
| Sierre to Aver-o-Mar | 877.82 mi (1,412.71 km) |
| Sierre to Aves | 855.24 mi (1,376.37 km) |
| Sierre to Azambuja | 968.59 mi (1,558.79 km) |
| Sierre to Baiao | 852.33 mi (1,371.69 km) |
| Sierre to Barcelos | 867.20 mi (1,395.62 km) |
| Sierre to Barreiro | 993.78 mi (1,599.34 km) |
| Sierre to Batalha | 942.31 mi (1,516.51 km) |
| Sierre to Beja | 971.66 mi (1,563.73 km) |
| Sierre to Belas | 998.06 mi (1,606.23 km) |
