| Waalre to Smolyan | 1,133.16 mi (1,823.65 km) |
| Waalre to Sofia | 1,029.27 mi (1,656.45 km) |
| Waalre to Sopot | 1,085.85 mi (1,747.50 km) |
| Waalre to Sozopol | 1,212.12 mi (1,950.72 km) |
| Waalre to Sredets | 1,195.10 mi (1,923.32 km) |
| Waalre to Stamboliyski | 1,101.09 mi (1,772.03 km) |
| Waalre to Stara Zagora | 1,130.47 mi (1,819.31 km) |
| Waalre to Svilengrad | 1,181.89 mi (1,902.07 km) |
| Waalre to Svishtov | 1,067.51 mi (1,717.99 km) |
| Waalre to Targovishte | 1,132.12 mi (1,821.97 km) |
| Waalre to Teteven | 1,055.24 mi (1,698.24 km) |
| Waalre to Troyan | 1,074.16 mi (1,728.69 km) |
| Waalre to Tryavna | 1,105.47 mi (1,779.09 km) |
| Waalre to Tutrakan | 1,100.94 mi (1,771.79 km) |
| Waalre to Varna | 1,187.31 mi (1,910.79 km) |
