| Maidenhead to Santarem | 931.61 mi (1,499.29 km) |
| Maidenhead to Santiago do Cacem | 1,010.48 mi (1,626.20 km) |
| Maidenhead to Santo Andre | 1,009.25 mi (1,624.23 km) |
| Maidenhead to Santo Tirso | 793.77 mi (1,277.45 km) |
| Maidenhead to Sao Bras de Alportel | 1,052.99 mi (1,694.63 km) |
| Maidenhead to Sao Felix da Marinha | 815.95 mi (1,313.15 km) |
| Maidenhead to Sao Joao da Madeira | 821.67 mi (1,322.35 km) |
| Maidenhead to Sao Joao de Ver | 819.42 mi (1,318.73 km) |
| Maidenhead to Sao Mamede de Infesta | 805.04 mi (1,295.59 km) |
| Maidenhead to Sao Pedro do Sul | 822.24 mi (1,323.26 km) |
| Maidenhead to Satao | 816.70 mi (1,314.35 km) |
| Maidenhead to Seia | 836.12 mi (1,345.61 km) |
| Maidenhead to Senhora da Hora | 807.04 mi (1,298.81 km) |
| Maidenhead to Serpa | 995.94 mi (1,602.80 km) |
| Maidenhead to Serta | 883.79 mi (1,422.32 km) |
