| Morton to Smolyan | 5,422.96 mi (8,727.41 km) |
| Morton to Sofia | 5,318.81 mi (8,559.81 km) |
| Morton to Sopot | 5,372.69 mi (8,646.51 km) |
| Morton to Sozopol | 5,489.04 mi (8,833.76 km) |
| Morton to Sredets | 5,474.81 mi (8,810.85 km) |
| Morton to Stamboliyski | 5,390.04 mi (8,674.44 km) |
| Morton to Stara Zagora | 5,415.61 mi (8,715.59 km) |
| Morton to Svilengrad | 5,468.26 mi (8,800.31 km) |
| Morton to Svishtov | 5,346.87 mi (8,604.95 km) |
| Morton to Targovishte | 5,408.33 mi (8,703.86 km) |
| Morton to Teteven | 5,342.31 mi (8,597.62 km) |
| Morton to Troyan | 5,360.12 mi (8,626.29 km) |
| Morton to Tryavna | 5,388.94 mi (8,672.66 km) |
| Morton to Tutrakan | 5,369.86 mi (8,641.96 km) |
| Morton to Varna | 5,456.41 mi (8,781.25 km) |
