| Bourg-les-Valence to Smolyan | 1,020.39 mi (1,642.16 km) |
| Bourg-les-Valence to Sofia | 929.88 mi (1,496.49 km) |
| Bourg-les-Valence to Sopot | 1,000.19 mi (1,609.65 km) |
| Bourg-les-Valence to Sozopol | 1,148.91 mi (1,848.99 km) |
| Bourg-les-Valence to Sredets | 1,125.78 mi (1,811.77 km) |
| Bourg-les-Valence to Stamboliyski | 999.99 mi (1,609.33 km) |
| Bourg-les-Valence to Stara Zagora | 1,048.37 mi (1,687.19 km) |
| Bourg-les-Valence to Svilengrad | 1,089.25 mi (1,752.98 km) |
| Bourg-les-Valence to Svishtov | 1,013.24 mi (1,630.66 km) |
| Bourg-les-Valence to Targovishte | 1,079.24 mi (1,736.87 km) |
| Bourg-les-Valence to Teteven | 971.66 mi (1,563.74 km) |
| Bourg-les-Valence to Troyan | 994.26 mi (1,600.10 km) |
| Bourg-les-Valence to Tryavna | 1,032.85 mi (1,662.21 km) |
| Bourg-les-Valence to Tutrakan | 1,069.06 mi (1,720.48 km) |
| Bourg-les-Valence to Varna | 1,144.96 mi (1,842.64 km) |
