| Boxmeer to Smolyan | 1,123.82 mi (1,808.62 km) |
| Boxmeer to Sofia | 1,019.74 mi (1,641.12 km) |
| Boxmeer to Sopot | 1,075.22 mi (1,730.40 km) |
| Boxmeer to Sozopol | 1,199.66 mi (1,930.67 km) |
| Boxmeer to Sredets | 1,183.04 mi (1,903.92 km) |
| Boxmeer to Stamboliyski | 1,091.25 mi (1,756.20 km) |
| Boxmeer to Stara Zagora | 1,119.41 mi (1,801.52 km) |
| Boxmeer to Svilengrad | 1,171.19 mi (1,884.84 km) |
| Boxmeer to Svishtov | 1,055.25 mi (1,698.25 km) |
| Boxmeer to Targovishte | 1,119.46 mi (1,801.59 km) |
| Boxmeer to Teteven | 1,044.66 mi (1,681.22 km) |
| Boxmeer to Troyan | 1,063.27 mi (1,711.17 km) |
| Boxmeer to Tryavna | 1,094.02 mi (1,760.66 km) |
| Boxmeer to Tutrakan | 1,087.30 mi (1,749.83 km) |
| Boxmeer to Varna | 1,173.84 mi (1,889.11 km) |
