| Llantrisant to Arcos de Valdevez | 710.78 mi (1,143.89 km) |
| Llantrisant to Arcozelo | 766.38 mi (1,233.38 km) |
| Llantrisant to Arganil | 813.70 mi (1,309.53 km) |
| Llantrisant to Arouca | 768.58 mi (1,236.90 km) |
| Llantrisant to Arruda dos Vinhos | 910.10 mi (1,464.66 km) |
| Llantrisant to Aveiro | 794.45 mi (1,278.54 km) |
| Llantrisant to Aver-o-Mar | 745.50 mi (1,199.77 km) |
| Llantrisant to Aves | 735.82 mi (1,184.18 km) |
| Llantrisant to Azambuja | 901.68 mi (1,451.11 km) |
| Llantrisant to Baiao | 750.10 mi (1,207.17 km) |
| Llantrisant to Barcelos | 735.65 mi (1,183.91 km) |
| Llantrisant to Barreiro | 931.18 mi (1,498.58 km) |
| Llantrisant to Batalha | 861.89 mi (1,387.08 km) |
| Llantrisant to Beja | 958.71 mi (1,542.89 km) |
| Llantrisant to Belas | 926.93 mi (1,491.74 km) |
