| Smolyan to Ramnicu Sarat | 287.74 mi (463.07 km) |
| Smolyan to Ramnicu Valcea | 243.85 mi (392.44 km) |
| Smolyan to Rasnov | 279.66 mi (450.07 km) |
| Smolyan to Reghin | 358.77 mi (577.38 km) |
| Smolyan to Resita | 292.97 mi (471.49 km) |
| Smolyan to Roman | 385.51 mi (620.41 km) |
| Smolyan to Rosiori de Vede | 175.31 mi (282.13 km) |
| Smolyan to Rovinari | 242.68 mi (390.56 km) |
| Smolyan to Roznov | 373.80 mi (601.57 km) |
| Smolyan to Sabaoani | 390.13 mi (627.86 km) |
| Smolyan to Sacele | 283.44 mi (456.15 km) |
| Smolyan to Sacueni | 418.79 mi (673.97 km) |
| Smolyan to Salcea | 427.11 mi (687.37 km) |
| Smolyan to Salonta | 390.75 mi (628.85 km) |
| Smolyan to Sangeorgiu de Mures | 343.36 mi (552.59 km) |
