| Ploiesti to Rury | 464.09 mi (746.88 km) |
| Ploiesti to Rybnik | 497.37 mi (800.44 km) |
| Ploiesti to Ryki | 498.94 mi (802.97 km) |
| Ploiesti to Rypin | 634.94 mi (1,021.84 km) |
| Ploiesti to Rzeszow | 398.68 mi (641.62 km) |
| Ploiesti to Sandomierz | 443.34 mi (713.48 km) |
| Ploiesti to Sanok | 364.95 mi (587.33 km) |
| Ploiesti to Sedziszow Malopolski | 407.42 mi (655.67 km) |
| Ploiesti to Sepolno Krajenskie | 700.82 mi (1,127.86 km) |
| Ploiesti to Sidlice | 728.54 mi (1,172.47 km) |
| Ploiesti to Siechnice | 587.10 mi (944.85 km) |
| Ploiesti to Siedlce | 527.60 mi (849.09 km) |
| Ploiesti to Siemianowice Slaskie | 492.82 mi (793.12 km) |
| Ploiesti to Siemiatycze | 536.81 mi (863.92 km) |
| Ploiesti to Sieradz | 568.20 mi (914.44 km) |
