| Ploiesti to Devnya | 141.66 mi (227.98 km) |
| Ploiesti to Dimitrovgrad | 200.87 mi (323.28 km) |
| Ploiesti to Dobrich | 130.56 mi (210.12 km) |
| Ploiesti to Dospat | 245.78 mi (395.54 km) |
| Ploiesti to Dupnitsa | 235.12 mi (378.39 km) |
| Ploiesti to Elhovo | 193.62 mi (311.60 km) |
| Ploiesti to Etropole | 177.05 mi (284.94 km) |
| Ploiesti to Gabrovo | 147.37 mi (237.18 km) |
| Ploiesti to Gorna Oryahovitsa | 125.93 mi (202.66 km) |
| Ploiesti to Gotse Delchev | 260.03 mi (418.47 km) |
| Ploiesti to Harmanli | 207.91 mi (334.60 km) |
| Ploiesti to Haskovo | 209.07 mi (336.47 km) |
| Ploiesti to Ihtiman | 205.10 mi (330.07 km) |
| Ploiesti to Isperih | 93.61 mi (150.65 km) |
| Ploiesti to Kardzhali | 229.77 mi (369.78 km) |
