| Sulphur Springs to Sesimbra | 4,676.10 mi (7,525.45 km) |
| Sulphur Springs to Setubal | 4,683.82 mi (7,537.88 km) |
| Sulphur Springs to Sever do Vouga | 4,644.23 mi (7,474.17 km) |
| Sulphur Springs to Silves | 4,746.33 mi (7,638.47 km) |
| Sulphur Springs to Sines | 4,702.18 mi (7,567.43 km) |
| Sulphur Springs to Sintra | 4,651.53 mi (7,485.91 km) |
| Sulphur Springs to Sobrado de Paiva | 4,640.26 mi (7,467.77 km) |
| Sulphur Springs to Sobral de Monte Agraco | 4,656.61 mi (7,494.09 km) |
| Sulphur Springs to Soure | 4,651.43 mi (7,485.75 km) |
| Sulphur Springs to Tabua | 4,671.19 mi (7,517.56 km) |
| Sulphur Springs to Tavira | 4,787.41 mi (7,704.59 km) |
| Sulphur Springs to Tomar | 4,675.04 mi (7,523.76 km) |
| Sulphur Springs to Tondela | 4,664.02 mi (7,506.02 km) |
| Sulphur Springs to Torre de Moncorvo | 4,688.80 mi (7,545.90 km) |
| Sulphur Springs to Torres Novas | 4,673.36 mi (7,521.04 km) |
