| Wallenhorst to Smolyan | 1,077.84 mi (1,734.62 km) |
| Wallenhorst to Sofia | 973.57 mi (1,566.80 km) |
| Wallenhorst to Sopot | 1,024.81 mi (1,649.28 km) |
| Wallenhorst to Sozopol | 1,142.27 mi (1,838.31 km) |
| Wallenhorst to Sredets | 1,127.13 mi (1,813.95 km) |
| Wallenhorst to Stamboliyski | 1,043.61 mi (1,679.54 km) |
| Wallenhorst to Stara Zagora | 1,067.29 mi (1,717.64 km) |
| Wallenhorst to Svilengrad | 1,120.11 mi (1,802.64 km) |
| Wallenhorst to Svishtov | 999.07 mi (1,607.85 km) |
| Wallenhorst to Targovishte | 1,061.61 mi (1,708.50 km) |
| Wallenhorst to Teteven | 994.59 mi (1,600.63 km) |
| Wallenhorst to Troyan | 1,011.99 mi (1,628.64 km) |
| Wallenhorst to Tryavna | 1,040.57 mi (1,674.64 km) |
| Wallenhorst to Tutrakan | 1,026.12 mi (1,651.38 km) |
| Wallenhorst to Varna | 1,112.95 mi (1,791.13 km) |
