| Havre de Grace to Popovo | 4,940.72 mi (7,951.32 km) |
| Havre de Grace to Provadia | 4,995.50 mi (8,039.48 km) |
| Havre de Grace to Radnevo | 4,972.79 mi (8,002.93 km) |
| Havre de Grace to Radomir | 4,840.50 mi (7,790.03 km) |
| Havre de Grace to Rakitovo | 4,910.38 mi (7,902.49 km) |
| Havre de Grace to Rakovski | 4,933.92 mi (7,940.37 km) |
| Havre de Grace to Razgrad | 4,944.30 mi (7,957.08 km) |
| Havre de Grace to Razlog | 4,889.01 mi (7,868.11 km) |
| Havre de Grace to Ruse | 4,909.79 mi (7,901.55 km) |
| Havre de Grace to Samokov | 4,874.11 mi (7,844.12 km) |
| Havre de Grace to Sandanski | 4,894.26 mi (7,876.56 km) |
| Havre de Grace to Sevlievo | 4,909.29 mi (7,900.74 km) |
| Havre de Grace to Shumen | 4,971.41 mi (8,000.71 km) |
| Havre de Grace to Silistra | 4,949.02 mi (7,964.68 km) |
| Havre de Grace to Sliven | 4,972.78 mi (8,002.92 km) |
