| Echt to Smolyan | 1,107.33 mi (1,782.07 km) |
| Echt to Sofia | 1,003.53 mi (1,615.02 km) |
| Echt to Sopot | 1,060.54 mi (1,706.77 km) |
| Echt to Sozopol | 1,187.66 mi (1,911.36 km) |
| Echt to Sredets | 1,170.44 mi (1,883.63 km) |
| Echt to Stamboliyski | 1,075.45 mi (1,730.77 km) |
| Echt to Stara Zagora | 1,105.34 mi (1,778.87 km) |
| Echt to Svilengrad | 1,156.60 mi (1,861.37 km) |
| Echt to Svishtov | 1,042.98 mi (1,678.51 km) |
| Echt to Targovishte | 1,107.79 mi (1,782.81 km) |
| Echt to Teteven | 1,029.91 mi (1,657.48 km) |
| Echt to Troyan | 1,048.96 mi (1,688.14 km) |
| Echt to Tryavna | 1,080.54 mi (1,738.96 km) |
| Echt to Tutrakan | 1,077.16 mi (1,733.52 km) |
| Echt to Varna | 1,163.42 mi (1,872.34 km) |
