| Plonsk to Sestao | 1,250.72 mi (2,012.84 km) |
| Plonsk to Sevilla | 1,655.39 mi (2,664.10 km) |
| Plonsk to Sevilla La Nueva | 1,426.85 mi (2,296.30 km) |
| Plonsk to Silla | 1,346.28 mi (2,166.62 km) |
| Plonsk to Silleda | 1,484.35 mi (2,388.84 km) |
| Plonsk to Sitges | 1,172.12 mi (1,886.34 km) |
| Plonsk to Socuellamos | 1,433.98 mi (2,307.77 km) |
| Plonsk to Soller | 1,220.51 mi (1,964.22 km) |
| Plonsk to Solsona | 1,143.39 mi (1,840.11 km) |
| Plonsk to Son Servera | 1,207.54 mi (1,943.34 km) |
| Plonsk to Sonseca | 1,455.72 mi (2,342.76 km) |
| Plonsk to Sopelana | 1,246.62 mi (2,006.24 km) |
| Plonsk to Soria | 1,300.23 mi (2,092.53 km) |
| Plonsk to Suances | 1,286.40 mi (2,070.26 km) |
| Plonsk to Sueca | 1,351.29 mi (2,174.69 km) |
