| Didcot to Santarem | 926.78 mi (1,491.52 km) |
| Didcot to Santiago do Cacem | 1,006.32 mi (1,619.52 km) |
| Didcot to Santo Andre | 1,005.02 mi (1,617.42 km) |
| Didcot to Santo Tirso | 787.76 mi (1,267.77 km) |
| Didcot to Sao Bras de Alportel | 1,050.21 mi (1,690.15 km) |
| Didcot to Sao Felix da Marinha | 809.96 mi (1,303.51 km) |
| Didcot to Sao Joao da Madeira | 815.96 mi (1,313.17 km) |
| Didcot to Sao Joao de Ver | 813.59 mi (1,309.35 km) |
| Didcot to Sao Mamede de Infesta | 798.95 mi (1,285.79 km) |
| Didcot to Sao Pedro do Sul | 817.21 mi (1,315.17 km) |
| Didcot to Satao | 812.13 mi (1,307.00 km) |
| Didcot to Seia | 831.81 mi (1,338.67 km) |
| Didcot to Senhora da Hora | 800.90 mi (1,288.92 km) |
| Didcot to Serpa | 993.14 mi (1,598.30 km) |
| Didcot to Serta | 879.35 mi (1,415.17 km) |
