| Middleburg to Popovo | 5,630.99 mi (9,062.20 km) |
| Middleburg to Provadia | 5,687.43 mi (9,153.04 km) |
| Middleburg to Radnevo | 5,658.59 mi (9,106.61 km) |
| Middleburg to Radomir | 5,521.26 mi (8,885.61 km) |
| Middleburg to Rakitovo | 5,591.16 mi (8,998.10 km) |
| Middleburg to Rakovski | 5,617.72 mi (9,040.84 km) |
| Middleburg to Razgrad | 5,635.76 mi (9,069.87 km) |
| Middleburg to Razlog | 5,568.10 mi (8,960.99 km) |
| Middleburg to Ruse | 5,601.25 mi (9,014.34 km) |
| Middleburg to Samokov | 5,555.23 mi (8,940.29 km) |
| Middleburg to Sandanski | 5,571.65 mi (8,966.71 km) |
| Middleburg to Sevlievo | 5,596.22 mi (9,006.24 km) |
| Middleburg to Shumen | 5,662.75 mi (9,113.32 km) |
| Middleburg to Silistra | 5,643.87 mi (9,082.93 km) |
| Middleburg to Sliven | 5,660.81 mi (9,110.19 km) |
