| Ploiesti to Sevnica | 524.11 mi (843.47 km) |
| Ploiesti to Sezana | 592.12 mi (952.92 km) |
| Ploiesti to Skocjan | 524.24 mi (843.68 km) |
| Ploiesti to Skofja Loka | 572.76 mi (921.76 km) |
| Ploiesti to Skofljica | 558.86 mi (899.40 km) |
| Ploiesti to Slovenj Gradec | 538.38 mi (866.43 km) |
| Ploiesti to Slovenska Bistrica | 513.90 mi (827.04 km) |
| Ploiesti to Slovenske Konjice | 520.63 mi (837.87 km) |
| Ploiesti to Smarje | 515.26 mi (829.23 km) |
| Ploiesti to Smarjeske Toplice | 527.43 mi (848.81 km) |
| Ploiesti to Smartno | 546.17 mi (878.98 km) |
| Ploiesti to Smartno | 539.08 mi (867.57 km) |
| Ploiesti to Sodrazica | 555.29 mi (893.65 km) |
| Ploiesti to Solcava | 555.91 mi (894.66 km) |
| Ploiesti to Sostanj | 538.73 mi (867.00 km) |
