| Simpelveld to Smolyan | 1,094.64 mi (1,761.66 km) |
| Simpelveld to Sofia | 990.99 mi (1,594.85 km) |
| Simpelveld to Sopot | 1,048.63 mi (1,687.61 km) |
| Simpelveld to Sozopol | 1,176.86 mi (1,893.98 km) |
| Simpelveld to Sredets | 1,159.38 mi (1,865.84 km) |
| Simpelveld to Stamboliyski | 1,063.07 mi (1,710.84 km) |
| Simpelveld to Stara Zagora | 1,093.67 mi (1,760.10 km) |
| Simpelveld to Svilengrad | 1,144.71 mi (1,842.23 km) |
| Simpelveld to Svishtov | 1,032.11 mi (1,661.03 km) |
| Simpelveld to Targovishte | 1,097.16 mi (1,765.70 km) |
| Simpelveld to Teteven | 1,017.99 mi (1,638.29 km) |
| Simpelveld to Troyan | 1,037.22 mi (1,669.24 km) |
| Simpelveld to Tryavna | 1,069.13 mi (1,720.60 km) |
| Simpelveld to Tutrakan | 1,067.22 mi (1,717.52 km) |
| Simpelveld to Varna | 1,153.32 mi (1,856.08 km) |
