| Boiling Springs to Sesimbra | 3,932.86 mi (6,329.32 km) |
| Boiling Springs to Setubal | 3,941.31 mi (6,342.93 km) |
| Boiling Springs to Sever do Vouga | 3,914.18 mi (6,299.27 km) |
| Boiling Springs to Silves | 3,998.22 mi (6,434.52 km) |
| Boiling Springs to Sines | 3,956.97 mi (6,368.12 km) |
| Boiling Springs to Sintra | 3,909.56 mi (6,291.84 km) |
| Boiling Springs to Sobrado de Paiva | 3,912.06 mi (6,295.86 km) |
| Boiling Springs to Sobral de Monte Agraco | 3,916.13 mi (6,302.41 km) |
| Boiling Springs to Soure | 3,917.19 mi (6,304.11 km) |
| Boiling Springs to Tabua | 3,939.68 mi (6,340.30 km) |
| Boiling Springs to Tavira | 4,040.28 mi (6,502.20 km) |
| Boiling Springs to Tomar | 3,938.80 mi (6,338.88 km) |
| Boiling Springs to Tondela | 3,933.27 mi (6,329.99 km) |
| Boiling Springs to Torre de Moncorvo | 3,963.57 mi (6,378.74 km) |
| Boiling Springs to Torres Novas | 3,936.22 mi (6,334.73 km) |
