| Otelu Rosu to Smolyan | 296.18 mi (476.66 km) |
| Otelu Rosu to Sofia | 200.69 mi (322.97 km) |
| Otelu Rosu to Sopot | 231.14 mi (371.99 km) |
| Otelu Rosu to Sozopol | 341.40 mi (549.42 km) |
| Otelu Rosu to Sredets | 325.61 mi (524.03 km) |
| Otelu Rosu to Stamboliyski | 257.90 mi (415.04 km) |
| Otelu Rosu to Stara Zagora | 268.87 mi (432.71 km) |
| Otelu Rosu to Svilengrad | 322.72 mi (519.37 km) |
| Otelu Rosu to Svishtov | 197.54 mi (317.92 km) |
| Otelu Rosu to Targovishte | 261.10 mi (420.20 km) |
| Otelu Rosu to Teteven | 203.21 mi (327.04 km) |
| Otelu Rosu to Troyan | 216.46 mi (348.35 km) |
| Otelu Rosu to Tryavna | 240.53 mi (387.10 km) |
| Otelu Rosu to Tutrakan | 232.38 mi (373.98 km) |
| Otelu Rosu to Varna | 317.41 mi (510.83 km) |
