| Baltimore to Popovo | 4,971.80 mi (8,001.35 km) |
| Baltimore to Provadia | 5,026.55 mi (8,089.45 km) |
| Baltimore to Radnevo | 5,003.96 mi (8,053.10 km) |
| Baltimore to Radomir | 4,871.76 mi (7,840.34 km) |
| Baltimore to Rakitovo | 4,941.64 mi (7,952.80 km) |
| Baltimore to Rakovski | 4,965.13 mi (7,990.60 km) |
| Baltimore to Razgrad | 4,975.36 mi (8,007.07 km) |
| Baltimore to Razlog | 4,920.30 mi (7,918.45 km) |
| Baltimore to Ruse | 4,940.86 mi (7,951.54 km) |
| Baltimore to Samokov | 4,905.36 mi (7,894.42 km) |
| Baltimore to Sandanski | 4,925.57 mi (7,926.94 km) |
| Baltimore to Sevlievo | 4,940.44 mi (7,950.88 km) |
| Baltimore to Shumen | 5,002.47 mi (8,050.69 km) |
| Baltimore to Silistra | 4,980.00 mi (8,014.53 km) |
| Baltimore to Sliven | 5,003.92 mi (8,053.02 km) |
