| Cwmbran to Arcos de Valdevez | 723.60 mi (1,164.52 km) |
| Cwmbran to Arcozelo | 779.11 mi (1,253.86 km) |
| Cwmbran to Arganil | 825.76 mi (1,328.93 km) |
| Cwmbran to Arouca | 780.97 mi (1,256.86 km) |
| Cwmbran to Arruda dos Vinhos | 922.56 mi (1,484.71 km) |
| Cwmbran to Aveiro | 807.06 mi (1,298.83 km) |
| Cwmbran to Aver-o-Mar | 758.44 mi (1,220.59 km) |
| Cwmbran to Aves | 748.41 mi (1,204.46 km) |
| Cwmbran to Azambuja | 914.02 mi (1,470.98 km) |
| Cwmbran to Baiao | 762.40 mi (1,226.97 km) |
| Cwmbran to Barcelos | 748.51 mi (1,204.61 km) |
| Cwmbran to Barreiro | 943.56 mi (1,518.51 km) |
| Cwmbran to Batalha | 874.34 mi (1,407.11 km) |
| Cwmbran to Beja | 970.15 mi (1,561.31 km) |
| Cwmbran to Belas | 939.47 mi (1,511.93 km) |
