| Plonsk to Ramnicu Sarat | 584.86 mi (941.24 km) |
| Plonsk to Ramnicu Valcea | 550.69 mi (886.26 km) |
| Plonsk to Rasnov | 537.56 mi (865.12 km) |
| Plonsk to Reghin | 448.29 mi (721.45 km) |
| Plonsk to Resita | 511.18 mi (822.66 km) |
| Plonsk to Roman | 490.07 mi (788.69 km) |
| Plonsk to Rosiori de Vede | 625.36 mi (1,006.41 km) |
| Plonsk to Rovinari | 548.15 mi (882.16 km) |
| Plonsk to Roznov | 484.76 mi (780.15 km) |
| Plonsk to Sabaoani | 483.00 mi (777.31 km) |
| Plonsk to Sacele | 540.76 mi (870.27 km) |
| Plonsk to Sacueni | 372.64 mi (599.71 km) |
| Plonsk to Salcea | 434.23 mi (698.83 km) |
| Plonsk to Salonta | 406.98 mi (654.97 km) |
| Plonsk to Sangeorgiu de Mures | 458.20 mi (737.40 km) |
