| Ecublens to Smolyan | 960.62 mi (1,545.97 km) |
| Ecublens to Sofia | 864.20 mi (1,390.80 km) |
| Ecublens to Sopot | 931.84 mi (1,499.65 km) |
| Ecublens to Sozopol | 1,076.62 mi (1,732.65 km) |
| Ecublens to Sredets | 1,054.87 mi (1,697.64 km) |
| Ecublens to Stamboliyski | 936.25 mi (1,506.76 km) |
| Ecublens to Stara Zagora | 979.86 mi (1,576.93 km) |
| Ecublens to Svilengrad | 1,024.53 mi (1,648.83 km) |
| Ecublens to Svishtov | 936.22 mi (1,506.70 km) |
| Ecublens to Targovishte | 1,003.01 mi (1,614.18 km) |
| Ecublens to Teteven | 902.14 mi (1,451.86 km) |
| Ecublens to Troyan | 924.11 mi (1,487.21 km) |
| Ecublens to Tryavna | 961.33 mi (1,547.11 km) |
| Ecublens to Tutrakan | 987.04 mi (1,588.49 km) |
| Ecublens to Varna | 1,066.91 mi (1,717.03 km) |
