| Llantwit Major to Santarem | 877.73 mi (1,412.57 km) |
| Llantwit Major to Santiago do Cacem | 959.41 mi (1,544.02 km) |
| Llantwit Major to Santo Andre | 957.82 mi (1,541.47 km) |
| Llantwit Major to Santo Tirso | 735.09 mi (1,183.02 km) |
| Llantwit Major to Sao Bras de Alportel | 1,008.38 mi (1,622.83 km) |
| Llantwit Major to Sao Felix da Marinha | 757.25 mi (1,218.67 km) |
| Llantwit Major to Sao Joao da Madeira | 764.27 mi (1,229.98 km) |
| Llantwit Major to Sao Joao de Ver | 761.44 mi (1,225.42 km) |
| Llantwit Major to Sao Mamede de Infesta | 745.94 mi (1,200.47 km) |
| Llantwit Major to Sao Pedro do Sul | 768.06 mi (1,236.08 km) |
| Llantwit Major to Satao | 764.82 mi (1,230.85 km) |
| Llantwit Major to Seia | 785.33 mi (1,263.86 km) |
| Llantwit Major to Senhora da Hora | 747.65 mi (1,203.23 km) |
| Llantwit Major to Serpa | 951.52 mi (1,531.32 km) |
| Llantwit Major to Serta | 832.06 mi (1,339.07 km) |
