| Karlovo to Ramnicu Sarat | 219.70 mi (353.57 km) |
| Karlovo to Ramnicu Valcea | 171.40 mi (275.84 km) |
| Karlovo to Rasnov | 206.36 mi (332.11 km) |
| Karlovo to Reghin | 285.55 mi (459.55 km) |
| Karlovo to Resita | 233.97 mi (376.54 km) |
| Karlovo to Roman | 313.89 mi (505.16 km) |
| Karlovo to Rosiori de Vede | 101.85 mi (163.91 km) |
| Karlovo to Rovinari | 176.94 mi (284.75 km) |
| Karlovo to Roznov | 301.46 mi (485.15 km) |
| Karlovo to Sabaoani | 318.27 mi (512.21 km) |
| Karlovo to Sacele | 210.46 mi (338.70 km) |
| Karlovo to Sacueni | 351.31 mi (565.38 km) |
| Karlovo to Salcea | 354.17 mi (569.98 km) |
| Karlovo to Salonta | 326.27 mi (525.08 km) |
| Karlovo to Sangeorgiu de Mures | 270.42 mi (435.21 km) |
