| Martos to Smolyan | 1,540.92 mi (2,479.86 km) |
| Martos to Sofia | 1,473.96 mi (2,372.10 km) |
| Martos to Sopot | 1,545.72 mi (2,487.60 km) |
| Martos to Sozopol | 1,695.37 mi (2,728.44 km) |
| Martos to Sredets | 1,669.82 mi (2,687.32 km) |
| Martos to Stamboliyski | 1,533.13 mi (2,467.34 km) |
| Martos to Stara Zagora | 1,590.86 mi (2,560.25 km) |
| Martos to Svilengrad | 1,618.37 mi (2,604.51 km) |
| Martos to Svishtov | 1,580.50 mi (2,543.57 km) |
| Martos to Targovishte | 1,640.50 mi (2,640.12 km) |
| Martos to Teteven | 1,522.40 mi (2,450.06 km) |
| Martos to Troyan | 1,544.97 mi (2,486.39 km) |
| Martos to Tryavna | 1,584.50 mi (2,550.01 km) |
| Martos to Tutrakan | 1,645.93 mi (2,648.87 km) |
| Martos to Varna | 1,707.46 mi (2,747.89 km) |
