| Clemson to Santarem | 3,987.74 mi (6,417.65 km) |
| Clemson to Santiago do Cacem | 4,017.22 mi (6,465.09 km) |
| Clemson to Santo Andre | 4,013.85 mi (6,459.66 km) |
| Clemson to Santo Tirso | 3,948.74 mi (6,354.89 km) |
| Clemson to Sao Bras de Alportel | 4,080.98 mi (6,567.70 km) |
| Clemson to Sao Felix da Marinha | 3,948.01 mi (6,353.72 km) |
| Clemson to Sao Joao da Madeira | 3,957.79 mi (6,369.44 km) |
| Clemson to Sao Joao de Ver | 3,953.41 mi (6,362.40 km) |
| Clemson to Sao Mamede de Infesta | 3,945.30 mi (6,349.34 km) |
| Clemson to Sao Pedro do Sul | 3,982.01 mi (6,408.42 km) |
| Clemson to Satao | 3,998.79 mi (6,435.43 km) |
| Clemson to Seia | 4,007.79 mi (6,449.91 km) |
| Clemson to Senhora da Hora | 3,943.12 mi (6,345.84 km) |
| Clemson to Serpa | 4,074.79 mi (6,557.75 km) |
| Clemson to Serta | 4,003.18 mi (6,442.50 km) |
