| Ploiesti to Sestao | 1,436.36 mi (2,311.60 km) |
| Ploiesti to Sevilla | 1,736.85 mi (2,795.19 km) |
| Ploiesti to Sevilla La Nueva | 1,550.53 mi (2,495.33 km) |
| Ploiesti to Silla | 1,400.76 mi (2,254.30 km) |
| Ploiesti to Silleda | 1,701.96 mi (2,739.04 km) |
| Ploiesti to Sitges | 1,243.65 mi (2,001.47 km) |
| Ploiesti to Socuellamos | 1,518.73 mi (2,444.16 km) |
| Ploiesti to Soller | 1,238.39 mi (1,993.00 km) |
| Ploiesti to Solsona | 1,240.64 mi (1,996.62 km) |
| Ploiesti to Son Servera | 1,210.74 mi (1,948.50 km) |
| Ploiesti to Sonseca | 1,563.81 mi (2,516.71 km) |
| Ploiesti to Sopelana | 1,433.86 mi (2,307.57 km) |
| Ploiesti to Soria | 1,440.38 mi (2,318.06 km) |
| Ploiesti to Suances | 1,485.01 mi (2,389.89 km) |
| Ploiesti to Sueca | 1,400.56 mi (2,253.98 km) |
