| Bidston to Popovo | 1,499.19 mi (2,412.72 km) |
| Bidston to Provadia | 1,553.97 mi (2,500.87 km) |
| Bidston to Radnevo | 1,532.98 mi (2,467.10 km) |
| Bidston to Radomir | 1,406.21 mi (2,263.07 km) |
| Bidston to Rakitovo | 1,475.56 mi (2,374.69 km) |
| Bidston to Rakovski | 1,495.77 mi (2,407.21 km) |
| Bidston to Razgrad | 1,502.72 mi (2,418.40 km) |
| Bidston to Razlog | 1,456.60 mi (2,344.16 km) |
| Bidston to Ruse | 1,468.21 mi (2,362.86 km) |
| Bidston to Samokov | 1,439.11 mi (2,316.03 km) |
| Bidston to Sandanski | 1,464.32 mi (2,356.60 km) |
| Bidston to Sevlievo | 1,468.94 mi (2,364.03 km) |
| Bidston to Shumen | 1,529.83 mi (2,462.02 km) |
| Bidston to Silistra | 1,508.39 mi (2,427.52 km) |
| Bidston to Sliven | 1,531.82 mi (2,465.22 km) |
