| Warburg to Smolyan | 1,003.26 mi (1,614.60 km) |
| Warburg to Sofia | 898.96 mi (1,446.74 km) |
| Warburg to Sopot | 951.23 mi (1,530.85 km) |
| Warburg to Sozopol | 1,070.90 mi (1,723.45 km) |
| Warburg to Sredets | 1,055.24 mi (1,698.25 km) |
| Warburg to Stamboliyski | 969.37 mi (1,560.05 km) |
| Warburg to Stara Zagora | 994.20 mi (1,600.01 km) |
| Warburg to Svilengrad | 1,046.76 mi (1,684.59 km) |
| Warburg to Svishtov | 927.18 mi (1,492.16 km) |
| Warburg to Targovishte | 990.35 mi (1,593.82 km) |
| Warburg to Teteven | 920.89 mi (1,482.04 km) |
| Warburg to Troyan | 938.63 mi (1,510.57 km) |
| Warburg to Tryavna | 967.85 mi (1,557.60 km) |
| Warburg to Tutrakan | 956.13 mi (1,538.75 km) |
| Warburg to Varna | 1,042.90 mi (1,678.39 km) |
