| Weilburg to Smolyan | 996.62 mi (1,603.90 km) |
| Weilburg to Sofia | 892.67 mi (1,436.62 km) |
| Weilburg to Sopot | 949.13 mi (1,527.48 km) |
| Weilburg to Sozopol | 1,075.86 mi (1,731.43 km) |
| Weilburg to Sredets | 1,058.67 mi (1,703.76 km) |
| Weilburg to Stamboliyski | 964.43 mi (1,552.10 km) |
| Weilburg to Stara Zagora | 993.78 mi (1,599.34 km) |
| Weilburg to Svilengrad | 1,045.18 mi (1,682.05 km) |
| Weilburg to Svishtov | 931.19 mi (1,498.60 km) |
| Weilburg to Targovishte | 995.99 mi (1,602.89 km) |
| Weilburg to Teteven | 918.52 mi (1,478.22 km) |
| Weilburg to Troyan | 937.46 mi (1,508.69 km) |
| Weilburg to Tryavna | 968.87 mi (1,559.24 km) |
| Weilburg to Tutrakan | 965.50 mi (1,553.82 km) |
| Weilburg to Varna | 1,051.70 mi (1,692.56 km) |
