| Saint-Cyr-sur-Mer to Smolyan | 973.40 mi (1,566.54 km) |
| Saint-Cyr-sur-Mer to Sofia | 890.26 mi (1,432.74 km) |
| Saint-Cyr-sur-Mer to Sopot | 962.12 mi (1,548.39 km) |
| Saint-Cyr-sur-Mer to Sozopol | 1,112.92 mi (1,791.07 km) |
| Saint-Cyr-sur-Mer to Sredets | 1,088.63 mi (1,751.98 km) |
| Saint-Cyr-sur-Mer to Stamboliyski | 957.24 mi (1,540.52 km) |
| Saint-Cyr-sur-Mer to Stara Zagora | 1,009.74 mi (1,625.03 km) |
| Saint-Cyr-sur-Mer to Svilengrad | 1,046.21 mi (1,683.71 km) |
| Saint-Cyr-sur-Mer to Svishtov | 984.18 mi (1,583.88 km) |
| Saint-Cyr-sur-Mer to Targovishte | 1,048.37 mi (1,687.19 km) |
| Saint-Cyr-sur-Mer to Teteven | 935.27 mi (1,505.17 km) |
| Saint-Cyr-sur-Mer to Troyan | 958.15 mi (1,541.99 km) |
| Saint-Cyr-sur-Mer to Tryavna | 997.59 mi (1,605.46 km) |
| Saint-Cyr-sur-Mer to Tutrakan | 1,044.75 mi (1,681.37 km) |
| Saint-Cyr-sur-Mer to Varna | 1,115.25 mi (1,794.82 km) |
