| Dudelange to Smolyan | 1,049.22 mi (1,688.56 km) |
| Dudelange to Sofia | 946.86 mi (1,523.82 km) |
| Dudelange to Sopot | 1,007.95 mi (1,622.14 km) |
| Dudelange to Sozopol | 1,142.10 mi (1,838.04 km) |
| Dudelange to Sredets | 1,123.21 mi (1,807.64 km) |
| Dudelange to Stamboliyski | 1,019.54 mi (1,640.79 km) |
| Dudelange to Stara Zagora | 1,054.24 mi (1,696.64 km) |
| Dudelange to Svilengrad | 1,103.75 mi (1,776.31 km) |
| Dudelange to Svishtov | 997.54 mi (1,605.38 km) |
| Dudelange to Targovishte | 1,063.65 mi (1,711.78 km) |
| Dudelange to Teteven | 977.33 mi (1,572.86 km) |
| Dudelange to Troyan | 997.54 mi (1,605.39 km) |
| Dudelange to Tryavna | 1,031.30 mi (1,659.72 km) |
| Dudelange to Tutrakan | 1,037.69 mi (1,670.00 km) |
| Dudelange to Varna | 1,122.58 mi (1,806.61 km) |
