| Baldock to Popovo | 1,356.43 mi (2,182.96 km) |
| Baldock to Provadia | 1,412.38 mi (2,273.00 km) |
| Baldock to Radnevo | 1,387.48 mi (2,232.93 km) |
| Baldock to Radomir | 1,257.65 mi (2,023.98 km) |
| Baldock to Rakitovo | 1,327.27 mi (2,136.03 km) |
| Baldock to Rakovski | 1,349.07 mi (2,171.12 km) |
| Baldock to Razgrad | 1,360.78 mi (2,189.97 km) |
| Baldock to Razlog | 1,307.44 mi (2,104.13 km) |
| Baldock to Ruse | 1,326.26 mi (2,134.42 km) |
| Baldock to Samokov | 1,290.86 mi (2,077.43 km) |
| Baldock to Sandanski | 1,314.47 mi (2,115.43 km) |
| Baldock to Sevlievo | 1,323.97 mi (2,130.72 km) |
| Baldock to Shumen | 1,387.82 mi (2,233.48 km) |
| Baldock to Silistra | 1,369.01 mi (2,203.20 km) |
| Baldock to Sliven | 1,387.63 mi (2,233.18 km) |
