| Ploiesti to Ribnica | 550.69 mi (886.25 km) |
| Ploiesti to Ribnica | 529.50 mi (852.15 km) |
| Ploiesti to Rogaska Slatina | 509.59 mi (820.11 km) |
| Ploiesti to Rogasovci | 497.06 mi (799.95 km) |
| Ploiesti to Rogatec | 506.35 mi (814.89 km) |
| Ploiesti to Ruse | 518.13 mi (833.85 km) |
| Ploiesti to Salovci | 485.13 mi (780.74 km) |
| Ploiesti to Selnica ob Dravi | 519.23 mi (835.62 km) |
| Ploiesti to Semic | 528.94 mi (851.24 km) |
| Ploiesti to Sempeter pri Gorici | 603.70 mi (971.57 km) |
| Ploiesti to Sencur | 567.69 mi (913.61 km) |
| Ploiesti to Sentilj | 513.48 mi (826.36 km) |
| Ploiesti to Sentjernej | 521.83 mi (839.80 km) |
| Ploiesti to Sentjur | 521.00 mi (838.46 km) |
| Ploiesti to Sentrupert | 534.22 mi (859.74 km) |
