| Plonsk to Setubal | 1,700.15 mi (2,736.13 km) |
| Plonsk to Sever do Vouga | 1,575.80 mi (2,536.01 km) |
| Plonsk to Silves | 1,748.98 mi (2,814.72 km) |
| Plonsk to Sines | 1,726.89 mi (2,779.16 km) |
| Plonsk to Sintra | 1,706.09 mi (2,745.69 km) |
| Plonsk to Sobrado de Paiva | 1,558.28 mi (2,507.82 km) |
| Plonsk to Sobral de Monte Agraco | 1,686.46 mi (2,714.10 km) |
| Plonsk to Soure | 1,617.67 mi (2,603.39 km) |
| Plonsk to Tabua | 1,579.64 mi (2,542.19 km) |
| Plonsk to Tavira | 1,722.98 mi (2,772.86 km) |
| Plonsk to Tomar | 1,630.27 mi (2,623.67 km) |
| Plonsk to Tondela | 1,574.56 mi (2,534.00 km) |
| Plonsk to Torre de Moncorvo | 1,506.10 mi (2,423.83 km) |
| Plonsk to Torres Novas | 1,641.11 mi (2,641.11 km) |
| Plonsk to Torres Vedras | 1,687.82 mi (2,716.28 km) |
