| Herrin to Popovo | 5,520.07 mi (8,883.70 km) |
| Herrin to Provadia | 5,571.60 mi (8,966.62 km) |
| Herrin to Radnevo | 5,558.91 mi (8,946.21 km) |
| Herrin to Radomir | 5,435.11 mi (8,746.96 km) |
| Herrin to Rakitovo | 5,504.37 mi (8,858.43 km) |
| Herrin to Rakovski | 5,523.36 mi (8,888.99 km) |
| Herrin to Razgrad | 5,521.65 mi (8,886.24 km) |
| Herrin to Razlog | 5,485.54 mi (8,828.12 km) |
| Herrin to Ruse | 5,487.47 mi (8,831.22 km) |
| Herrin to Samokov | 5,467.92 mi (8,799.77 km) |
| Herrin to Sandanski | 5,493.04 mi (8,840.20 km) |
| Herrin to Sevlievo | 5,494.23 mi (8,842.12 km) |
| Herrin to Shumen | 5,548.70 mi (8,929.78 km) |
| Herrin to Silistra | 5,520.50 mi (8,884.39 km) |
| Herrin to Sliven | 5,555.46 mi (8,940.65 km) |
