| Walnut Creek to Santarem | 5,637.26 mi (9,072.29 km) |
| Walnut Creek to Santiago do Cacem | 5,694.05 mi (9,163.68 km) |
| Walnut Creek to Santo Andre | 5,690.49 mi (9,157.95 km) |
| Walnut Creek to Santo Tirso | 5,547.06 mi (8,927.13 km) |
| Walnut Creek to Sao Bras de Alportel | 5,767.66 mi (9,282.15 km) |
| Walnut Creek to Sao Felix da Marinha | 5,555.14 mi (8,940.13 km) |
| Walnut Creek to Sao Joao da Madeira | 5,566.69 mi (8,958.73 km) |
| Walnut Creek to Sao Joao de Ver | 5,561.65 mi (8,950.61 km) |
| Walnut Creek to Sao Mamede de Infesta | 5,548.23 mi (8,929.02 km) |
| Walnut Creek to Sao Pedro do Sul | 5,589.78 mi (8,995.88 km) |
| Walnut Creek to Satao | 5,603.29 mi (9,017.63 km) |
| Walnut Creek to Seia | 5,619.23 mi (9,043.27 km) |
| Walnut Creek to Senhora da Hora | 5,546.94 mi (8,926.94 km) |
| Walnut Creek to Serpa | 5,741.07 mi (9,239.36 km) |
| Walnut Creek to Serta | 5,633.38 mi (9,066.05 km) |
