| Cities | Distance |
|---|---|
| Ploiesti to Popovo | 110.43 mi (177.72 km) |
| Ploiesti to Provadia | 140.20 mi (225.63 km) |
| Ploiesti to Radnevo | 182.54 mi (293.76 km) |
| Ploiesti to Radomir | 225.38 mi (362.72 km) |
| Ploiesti to Rakitovo | 226.31 mi (364.20 km) |
| Ploiesti to Rakovski | 190.75 mi (306.99 km) |
| Ploiesti to Razgrad | 100.30 mi (161.41 km) |
| Ploiesti to Razlog | 247.14 mi (397.73 km) |
| Ploiesti to Ruse | 77.32 mi (124.44 km) |
| Ploiesti to Samokov | 218.12 mi (351.04 km) |
| Ploiesti to Sandanski | 270.75 mi (435.73 km) |
| Ploiesti to Sevlievo | 139.85 mi (225.07 km) |
| Ploiesti to Shumen | 123.13 mi (198.16 km) |
| Ploiesti to Silistra | 83.42 mi (134.26 km) |
| Ploiesti to Sliven | 156.77 mi (252.29 km) |