| Longwy to Smolyan | 1,063.47 mi (1,711.49 km) |
| Longwy to Sofia | 961.18 mi (1,546.86 km) |
| Longwy to Sopot | 1,022.39 mi (1,645.38 km) |
| Longwy to Sozopol | 1,156.69 mi (1,861.51 km) |
| Longwy to Sredets | 1,137.77 mi (1,831.06 km) |
| Longwy to Stamboliyski | 1,033.87 mi (1,663.85 km) |
| Longwy to Stara Zagora | 1,068.71 mi (1,719.93 km) |
| Longwy to Svilengrad | 1,118.17 mi (1,799.52 km) |
| Longwy to Svishtov | 1,012.14 mi (1,628.87 km) |
| Longwy to Targovishte | 1,078.27 mi (1,735.30 km) |
| Longwy to Teteven | 991.77 mi (1,596.10 km) |
| Longwy to Troyan | 1,012.01 mi (1,628.67 km) |
| Longwy to Tryavna | 1,045.82 mi (1,683.09 km) |
| Longwy to Tutrakan | 1,052.36 mi (1,693.61 km) |
| Longwy to Varna | 1,137.23 mi (1,830.20 km) |
