| Sliven to Ramnicu Sarat | 189.79 mi (305.43 km) |
| Sliven to Ramnicu Valcea | 193.61 mi (311.59 km) |
| Sliven to Rasnov | 205.66 mi (330.99 km) |
| Sliven to Reghin | 293.78 mi (472.79 km) |
| Sliven to Resita | 285.42 mi (459.34 km) |
| Sliven to Roman | 294.87 mi (474.55 km) |
| Sliven to Rosiori de Vede | 119.39 mi (192.15 km) |
| Sliven to Rovinari | 220.72 mi (355.22 km) |
| Sliven to Roznov | 287.03 mi (461.93 km) |
| Sliven to Sabaoani | 300.47 mi (483.57 km) |
| Sliven to Sacele | 205.25 mi (330.31 km) |
| Sliven to Sacueni | 383.27 mi (616.81 km) |
| Sliven to Salcea | 343.17 mi (552.28 km) |
| Sliven to Salonta | 365.55 mi (588.29 km) |
| Sliven to Sangeorgiu de Mures | 282.47 mi (454.60 km) |
