| Waterville to Sesimbra | 3,090.32 mi (4,973.39 km) |
| Waterville to Setubal | 3,097.57 mi (4,985.06 km) |
| Waterville to Sever do Vouga | 3,052.77 mi (4,912.96 km) |
| Waterville to Silves | 3,163.70 mi (5,091.48 km) |
| Waterville to Sines | 3,117.61 mi (5,017.30 km) |
| Waterville to Sintra | 3,065.05 mi (4,932.72 km) |
| Waterville to Sobrado de Paiva | 3,048.33 mi (4,905.82 km) |
| Waterville to Sobral de Monte Agraco | 3,069.29 mi (4,939.54 km) |
| Waterville to Soure | 3,061.29 mi (4,926.68 km) |
| Waterville to Tabua | 3,080.12 mi (4,956.97 km) |
| Waterville to Tavira | 3,203.90 mi (5,156.18 km) |
| Waterville to Tomar | 3,085.66 mi (4,965.89 km) |
| Waterville to Tondela | 3,072.73 mi (4,945.09 km) |
| Waterville to Torre de Moncorvo | 3,096.25 mi (4,982.93 km) |
| Waterville to Torres Novas | 3,084.36 mi (4,963.80 km) |
