| Prospect Heights to Santarem | 4,000.72 mi (6,438.53 km) |
| Prospect Heights to Santiago do Cacem | 4,043.34 mi (6,507.13 km) |
| Prospect Heights to Santo Andre | 4,039.82 mi (6,501.46 km) |
| Prospect Heights to Santo Tirso | 3,937.96 mi (6,337.54 km) |
| Prospect Heights to Sao Bras de Alportel | 4,112.83 mi (6,618.96 km) |
| Prospect Heights to Sao Felix da Marinha | 3,941.12 mi (6,342.61 km) |
| Prospect Heights to Sao Joao da Madeira | 3,951.88 mi (6,359.94 km) |
| Prospect Heights to Sao Joao de Ver | 3,947.12 mi (6,352.27 km) |
| Prospect Heights to Sao Mamede de Infesta | 3,936.49 mi (6,335.16 km) |
| Prospect Heights to Sao Pedro do Sul | 3,976.08 mi (6,398.89 km) |
| Prospect Heights to Satao | 3,991.76 mi (6,424.12 km) |
| Prospect Heights to Seia | 4,004.01 mi (6,443.83 km) |
| Prospect Heights to Senhora da Hora | 3,934.66 mi (6,332.22 km) |
| Prospect Heights to Serpa | 4,097.07 mi (6,593.60 km) |
| Prospect Heights to Serta | 4,007.70 mi (6,449.77 km) |
