| Trowbridge to Santarem | 891.62 mi (1,434.93 km) |
| Trowbridge to Santiago do Cacem | 972.00 mi (1,564.28 km) |
| Trowbridge to Santo Andre | 970.59 mi (1,562.02 km) |
| Trowbridge to Santo Tirso | 751.18 mi (1,208.91 km) |
| Trowbridge to Sao Bras de Alportel | 1,017.79 mi (1,637.97 km) |
| Trowbridge to Sao Felix da Marinha | 773.40 mi (1,244.67 km) |
| Trowbridge to Sao Joao da Madeira | 779.76 mi (1,254.90 km) |
| Trowbridge to Sao Joao de Ver | 777.22 mi (1,250.82 km) |
| Trowbridge to Sao Mamede de Infesta | 762.27 mi (1,226.76 km) |
| Trowbridge to Sao Pedro do Sul | 781.89 mi (1,258.33 km) |
| Trowbridge to Satao | 777.45 mi (1,251.19 km) |
| Trowbridge to Seia | 797.45 mi (1,283.38 km) |
| Trowbridge to Senhora da Hora | 764.14 mi (1,229.77 km) |
| Trowbridge to Serpa | 960.74 mi (1,546.16 km) |
| Trowbridge to Serta | 844.76 mi (1,359.51 km) |
