| Humlebaek to Smolyan | 1,133.86 mi (1,824.76 km) |
| Humlebaek to Sofia | 1,034.63 mi (1,665.07 km) |
| Humlebaek to Sopot | 1,068.46 mi (1,719.51 km) |
| Humlebaek to Sozopol | 1,154.45 mi (1,857.91 km) |
| Humlebaek to Sredets | 1,145.59 mi (1,843.65 km) |
| Humlebaek to Stamboliyski | 1,095.78 mi (1,763.49 km) |
| Humlebaek to Stara Zagora | 1,102.58 mi (1,774.43 km) |
| Humlebaek to Svilengrad | 1,156.45 mi (1,861.13 km) |
| Humlebaek to Svishtov | 1,023.40 mi (1,647.01 km) |
| Humlebaek to Targovishte | 1,076.12 mi (1,731.84 km) |
| Humlebaek to Teteven | 1,041.10 mi (1,675.50 km) |
| Humlebaek to Troyan | 1,053.28 mi (1,695.09 km) |
| Humlebaek to Tryavna | 1,072.52 mi (1,726.06 km) |
| Humlebaek to Tutrakan | 1,029.70 mi (1,657.15 km) |
| Humlebaek to Varna | 1,113.06 mi (1,791.30 km) |
