| Mont-Saint-Martin to Smolyan | 1,063.28 mi (1,711.19 km) |
| Mont-Saint-Martin to Sofia | 960.96 mi (1,546.51 km) |
| Mont-Saint-Martin to Sopot | 1,022.11 mi (1,644.92 km) |
| Mont-Saint-Martin to Sozopol | 1,156.30 mi (1,860.89 km) |
| Mont-Saint-Martin to Sredets | 1,137.40 mi (1,830.47 km) |
| Mont-Saint-Martin to Stamboliyski | 1,033.64 mi (1,663.49 km) |
| Mont-Saint-Martin to Stara Zagora | 1,068.41 mi (1,719.44 km) |
| Mont-Saint-Martin to Svilengrad | 1,117.89 mi (1,799.08 km) |
| Mont-Saint-Martin to Svishtov | 1,011.73 mi (1,628.23 km) |
| Mont-Saint-Martin to Targovishte | 1,077.85 mi (1,734.63 km) |
| Mont-Saint-Martin to Teteven | 991.48 mi (1,595.64 km) |
| Mont-Saint-Martin to Troyan | 1,011.71 mi (1,628.18 km) |
| Mont-Saint-Martin to Tryavna | 1,045.48 mi (1,682.55 km) |
| Mont-Saint-Martin to Tutrakan | 1,051.87 mi (1,692.82 km) |
| Mont-Saint-Martin to Varna | 1,136.77 mi (1,829.45 km) |
