| Ermua to Smolyan | 1,386.46 mi (2,231.29 km) |
| Ermua to Sofia | 1,301.70 mi (2,094.89 km) |
| Ermua to Sopot | 1,373.24 mi (2,210.01 km) |
| Ermua to Sozopol | 1,523.60 mi (2,452.00 km) |
| Ermua to Sredets | 1,499.66 mi (2,413.46 km) |
| Ermua to Stamboliyski | 1,369.56 mi (2,204.09 km) |
| Ermua to Stara Zagora | 1,421.10 mi (2,287.04 km) |
| Ermua to Svilengrad | 1,458.70 mi (2,347.54 km) |
| Ermua to Svishtov | 1,391.83 mi (2,239.94 km) |
| Ermua to Targovishte | 1,456.97 mi (2,344.76 km) |
| Ermua to Teteven | 1,345.80 mi (2,165.85 km) |
| Ermua to Troyan | 1,368.62 mi (2,202.59 km) |
| Ermua to Tryavna | 1,407.84 mi (2,265.70 km) |
| Ermua to Tutrakan | 1,450.08 mi (2,333.67 km) |
| Ermua to Varna | 1,523.44 mi (2,451.74 km) |
