| Ploiesti to Reinosa | 1,497.02 mi (2,409.21 km) |
| Ploiesti to Requena | 1,430.83 mi (2,302.70 km) |
| Ploiesti to Reus | 1,279.49 mi (2,059.14 km) |
| Ploiesti to Rianxo | 1,731.29 mi (2,786.24 km) |
| Ploiesti to Ribadeo | 1,628.21 mi (2,620.36 km) |
| Ploiesti to Rincon de la Victoria | 1,671.51 mi (2,690.03 km) |
| Ploiesti to Ripoll | 1,203.47 mi (1,936.79 km) |
| Ploiesti to Ripollet | 1,220.29 mi (1,963.87 km) |
| Ploiesti to Rojales | 1,454.59 mi (2,340.93 km) |
| Ploiesti to Ronda | 1,713.42 mi (2,757.48 km) |
| Ploiesti to Roquetas de Mar | 1,589.52 mi (2,558.09 km) |
| Ploiesti to Rosas | 1,154.05 mi (1,857.27 km) |
| Ploiesti to Rubi | 1,226.48 mi (1,973.83 km) |
| Ploiesti to Rute | 1,655.60 mi (2,664.43 km) |
| Ploiesti to Sabadell | 1,221.56 mi (1,965.92 km) |
