| Reston to Santarem | 3,587.06 mi (5,772.82 km) |
| Reston to Santiago do Cacem | 3,619.86 mi (5,825.60 km) |
| Reston to Santo Andre | 3,616.44 mi (5,820.09 km) |
| Reston to Santo Tirso | 3,542.70 mi (5,701.42 km) |
| Reston to Sao Bras de Alportel | 3,685.28 mi (5,930.89 km) |
| Reston to Sao Felix da Marinha | 3,542.78 mi (5,701.55 km) |
| Reston to Sao Joao da Madeira | 3,552.78 mi (5,717.65 km) |
| Reston to Sao Joao de Ver | 3,548.31 mi (5,710.46 km) |
| Reston to Sao Mamede de Infesta | 3,539.65 mi (5,696.52 km) |
| Reston to Sao Pedro do Sul | 3,577.06 mi (5,756.72 km) |
| Reston to Satao | 3,593.65 mi (5,783.42 km) |
| Reston to Seia | 3,603.37 mi (5,799.06 km) |
| Reston to Senhora da Hora | 3,537.54 mi (5,693.12 km) |
| Reston to Serpa | 3,676.62 mi (5,916.95 km) |
| Reston to Serta | 3,600.58 mi (5,794.58 km) |
