| Nantes to Smolyan | 1,345.87 mi (2,165.96 km) |
| Nantes to Sofia | 1,250.08 mi (2,011.81 km) |
| Nantes to Sopot | 1,317.84 mi (2,120.86 km) |
| Nantes to Sozopol | 1,462.36 mi (2,353.45 km) |
| Nantes to Sredets | 1,440.74 mi (2,318.65 km) |
| Nantes to Stamboliyski | 1,322.02 mi (2,127.58 km) |
| Nantes to Stara Zagora | 1,365.85 mi (2,198.13 km) |
| Nantes to Svilengrad | 1,410.43 mi (2,269.86 km) |
| Nantes to Svishtov | 1,321.38 mi (2,126.56 km) |
| Nantes to Targovishte | 1,388.22 mi (2,234.13 km) |
| Nantes to Teteven | 1,288.13 mi (2,073.05 km) |
| Nantes to Troyan | 1,310.08 mi (2,108.37 km) |
| Nantes to Tryavna | 1,347.21 mi (2,168.13 km) |
| Nantes to Tutrakan | 1,370.74 mi (2,205.99 km) |
| Nantes to Varna | 1,451.63 mi (2,336.17 km) |
