| Boiling Springs to Santarem | 3,934.25 mi (6,331.56 km) |
| Boiling Springs to Santiago do Cacem | 3,963.74 mi (6,379.02 km) |
| Boiling Springs to Santo Andre | 3,960.37 mi (6,373.60 km) |
| Boiling Springs to Santo Tirso | 3,895.31 mi (6,268.89 km) |
| Boiling Springs to Sao Bras de Alportel | 4,027.52 mi (6,481.66 km) |
| Boiling Springs to Sao Felix da Marinha | 3,894.56 mi (6,267.69 km) |
| Boiling Springs to Sao Joao da Madeira | 3,904.33 mi (6,283.41 km) |
| Boiling Springs to Sao Joao de Ver | 3,899.96 mi (6,276.37 km) |
| Boiling Springs to Sao Mamede de Infesta | 3,891.85 mi (6,263.33 km) |
| Boiling Springs to Sao Pedro do Sul | 3,928.55 mi (6,322.39 km) |
| Boiling Springs to Satao | 3,945.33 mi (6,349.40 km) |
| Boiling Springs to Seia | 3,954.32 mi (6,363.86 km) |
| Boiling Springs to Senhora da Hora | 3,889.68 mi (6,259.83 km) |
| Boiling Springs to Serpa | 4,021.31 mi (6,471.67 km) |
| Boiling Springs to Serta | 3,949.70 mi (6,356.42 km) |
