| Havre de Grace to Smolyan | 4,952.38 mi (7,970.08 km) |
| Havre de Grace to Sofia | 4,850.04 mi (7,805.39 km) |
| Havre de Grace to Sopot | 4,910.13 mi (7,902.09 km) |
| Havre de Grace to Sozopol | 5,038.92 mi (8,109.36 km) |
| Havre de Grace to Sredets | 5,021.76 mi (8,081.74 km) |
| Havre de Grace to Stamboliyski | 4,922.68 mi (7,922.28 km) |
| Havre de Grace to Stara Zagora | 4,955.71 mi (7,975.44 km) |
| Havre de Grace to Svilengrad | 5,006.14 mi (8,056.60 km) |
| Havre de Grace to Svishtov | 4,894.29 mi (7,876.60 km) |
| Havre de Grace to Targovishte | 4,958.88 mi (7,980.55 km) |
| Havre de Grace to Teteven | 4,879.47 mi (7,852.74 km) |
| Havre de Grace to Troyan | 4,899.13 mi (7,884.38 km) |
| Havre de Grace to Tryavna | 4,931.51 mi (7,936.49 km) |
| Havre de Grace to Tutrakan | 4,926.53 mi (7,928.49 km) |
| Havre de Grace to Varna | 5,013.20 mi (8,067.96 km) |
