| Montgomery to Popovo | 5,693.50 mi (9,162.81 km) |
| Montgomery to Provadia | 5,747.95 mi (9,250.43 km) |
| Montgomery to Radnevo | 5,726.21 mi (9,215.44 km) |
| Montgomery to Radomir | 5,594.37 mi (9,003.26 km) |
| Montgomery to Rakitovo | 5,664.24 mi (9,115.71 km) |
| Montgomery to Rakovski | 5,687.55 mi (9,153.23 km) |
| Montgomery to Razgrad | 5,696.86 mi (9,168.22 km) |
| Montgomery to Razlog | 5,642.95 mi (9,081.46 km) |
| Montgomery to Ruse | 5,662.38 mi (9,112.71 km) |
| Montgomery to Samokov | 5,627.95 mi (9,057.31 km) |
| Montgomery to Sandanski | 5,648.26 mi (9,089.99 km) |
| Montgomery to Sevlievo | 5,662.59 mi (9,113.05 km) |
| Montgomery to Shumen | 5,723.98 mi (9,211.86 km) |
| Montgomery to Silistra | 5,700.85 mi (9,174.63 km) |
| Montgomery to Sliven | 5,725.91 mi (9,214.97 km) |
