| La Chapelle-sur-Erdre to Smolyan | 1,346.57 mi (2,167.10 km) |
| La Chapelle-sur-Erdre to Sofia | 1,250.61 mi (2,012.66 km) |
| La Chapelle-sur-Erdre to Sopot | 1,318.26 mi (2,121.53 km) |
| La Chapelle-sur-Erdre to Sozopol | 1,462.60 mi (2,353.83 km) |
| La Chapelle-sur-Erdre to Sredets | 1,441.04 mi (2,319.13 km) |
| La Chapelle-sur-Erdre to Stamboliyski | 1,322.59 mi (2,128.51 km) |
| La Chapelle-sur-Erdre to Stara Zagora | 1,366.25 mi (2,198.77 km) |
| La Chapelle-sur-Erdre to Svilengrad | 1,410.95 mi (2,270.70 km) |
| La Chapelle-sur-Erdre to Svishtov | 1,321.49 mi (2,126.73 km) |
| La Chapelle-sur-Erdre to Targovishte | 1,388.33 mi (2,234.31 km) |
| La Chapelle-sur-Erdre to Teteven | 1,288.52 mi (2,073.67 km) |
| La Chapelle-sur-Erdre to Troyan | 1,310.44 mi (2,108.95 km) |
| La Chapelle-sur-Erdre to Tryavna | 1,347.51 mi (2,168.61 km) |
| La Chapelle-sur-Erdre to Tutrakan | 1,370.63 mi (2,205.82 km) |
| La Chapelle-sur-Erdre to Varna | 1,451.65 mi (2,336.20 km) |
