| Portchester to Sesena | 752.27 mi (1,210.66 km) |
| Portchester to Sestao | 527.82 mi (849.44 km) |
| Portchester to Sevilla | 969.88 mi (1,560.88 km) |
| Portchester to Sevilla La Nueva | 738.45 mi (1,188.43 km) |
| Portchester to Silla | 793.95 mi (1,277.74 km) |
| Portchester to Silleda | 654.88 mi (1,053.93 km) |
| Portchester to Sitges | 678.36 mi (1,091.72 km) |
| Portchester to Socuellamos | 802.05 mi (1,290.78 km) |
| Portchester to Soller | 787.14 mi (1,266.78 km) |
| Portchester to Solsona | 623.98 mi (1,004.20 km) |
| Portchester to Son Servera | 804.98 mi (1,295.49 km) |
| Portchester to Sonseca | 781.88 mi (1,258.32 km) |
| Portchester to Sopelana | 522.79 mi (841.35 km) |
| Portchester to Soria | 630.30 mi (1,014.37 km) |
| Portchester to Suances | 529.98 mi (852.92 km) |
