| Ecully to Smolyan | 1,033.68 mi (1,663.54 km) |
| Ecully to Sofia | 940.32 mi (1,513.29 km) |
| Ecully to Sopot | 1,009.54 mi (1,624.69 km) |
| Ecully to Sozopol | 1,156.63 mi (1,861.42 km) |
| Ecully to Sredets | 1,134.13 mi (1,825.20 km) |
| Ecully to Stamboliyski | 1,011.46 mi (1,627.78 km) |
| Ecully to Stara Zagora | 1,057.72 mi (1,702.24 km) |
| Ecully to Svilengrad | 1,100.43 mi (1,770.97 km) |
| Ecully to Svishtov | 1,018.46 mi (1,639.05 km) |
| Ecully to Targovishte | 1,084.95 mi (1,746.05 km) |
| Ecully to Teteven | 980.41 mi (1,577.81 km) |
| Ecully to Troyan | 1,002.75 mi (1,613.77 km) |
| Ecully to Tryavna | 1,040.76 mi (1,674.95 km) |
| Ecully to Tutrakan | 1,071.85 mi (1,724.98 km) |
| Ecully to Varna | 1,149.86 mi (1,850.52 km) |
