| Llanelli to Arcos de Valdevez | 708.56 mi (1,140.31 km) |
| Llanelli to Arcozelo | 764.36 mi (1,230.13 km) |
| Llanelli to Arganil | 813.67 mi (1,309.47 km) |
| Llanelli to Arouca | 767.57 mi (1,235.29 km) |
| Llanelli to Arruda dos Vinhos | 908.75 mi (1,462.49 km) |
| Llanelli to Aveiro | 792.76 mi (1,275.82 km) |
| Llanelli to Aver-o-Mar | 742.86 mi (1,195.52 km) |
| Llanelli to Aves | 734.26 mi (1,181.68 km) |
| Llanelli to Azambuja | 900.68 mi (1,449.51 km) |
| Llanelli to Baiao | 749.41 mi (1,206.06 km) |
| Llanelli to Barcelos | 733.26 mi (1,180.07 km) |
| Llanelli to Barreiro | 930.04 mi (1,496.75 km) |
| Llanelli to Batalha | 860.63 mi (1,385.06 km) |
| Llanelli to Beja | 960.28 mi (1,545.42 km) |
| Llanelli to Belas | 925.31 mi (1,489.14 km) |
