| Halstead to Santarem | 985.41 mi (1,585.87 km) |
| Halstead to Santiago do Cacem | 1,063.11 mi (1,710.91 km) |
| Halstead to Santo Andre | 1,062.01 mi (1,709.14 km) |
| Halstead to Santo Tirso | 849.54 mi (1,367.21 km) |
| Halstead to Sao Bras de Alportel | 1,103.25 mi (1,775.51 km) |
| Halstead to Sao Felix da Marinha | 871.65 mi (1,402.79 km) |
| Halstead to Sao Joao da Madeira | 876.95 mi (1,411.31 km) |
| Halstead to Sao Joao de Ver | 874.89 mi (1,408.00 km) |
| Halstead to Sao Mamede de Infesta | 860.90 mi (1,385.49 km) |
| Halstead to Sao Pedro do Sul | 876.50 mi (1,410.59 km) |
| Halstead to Satao | 870.25 mi (1,400.53 km) |
| Halstead to Seia | 889.24 mi (1,431.09 km) |
| Halstead to Senhora da Hora | 862.98 mi (1,388.83 km) |
| Halstead to Serpa | 1,046.30 mi (1,683.85 km) |
| Halstead to Serta | 937.03 mi (1,508.01 km) |
