| Allentown to Santarem | 3,451.67 mi (5,554.92 km) |
| Allentown to Santiago do Cacem | 3,486.18 mi (5,610.46 km) |
| Allentown to Santo Andre | 3,482.74 mi (5,604.92 km) |
| Allentown to Santo Tirso | 3,404.42 mi (5,478.89 km) |
| Allentown to Sao Bras de Alportel | 3,552.41 mi (5,717.05 km) |
| Allentown to Sao Felix da Marinha | 3,404.95 mi (5,479.73 km) |
| Allentown to Sao Joao da Madeira | 3,415.08 mi (5,496.04 km) |
| Allentown to Sao Joao de Ver | 3,410.56 mi (5,488.77 km) |
| Allentown to Sao Mamede de Infesta | 3,401.60 mi (5,474.35 km) |
| Allentown to Sao Pedro do Sul | 3,439.38 mi (5,535.14 km) |
| Allentown to Satao | 3,455.85 mi (5,561.65 km) |
| Allentown to Seia | 3,465.95 mi (5,577.91 km) |
| Allentown to Senhora da Hora | 3,399.53 mi (5,471.01 km) |
| Allentown to Serpa | 3,542.48 mi (5,701.07 km) |
| Allentown to Serta | 3,464.16 mi (5,575.02 km) |
