| Aylesbury to Popovo | 1,378.96 mi (2,219.22 km) |
| Aylesbury to Provadia | 1,435.24 mi (2,309.80 km) |
| Aylesbury to Radnevo | 1,409.07 mi (2,267.68 km) |
| Aylesbury to Radomir | 1,278.00 mi (2,056.74 km) |
| Aylesbury to Rakitovo | 1,347.72 mi (2,168.94 km) |
| Aylesbury to Rakovski | 1,370.21 mi (2,205.14 km) |
| Aylesbury to Razgrad | 1,383.57 mi (2,226.64 km) |
| Aylesbury to Razlog | 1,327.48 mi (2,136.38 km) |
| Aylesbury to Ruse | 1,349.06 mi (2,171.11 km) |
| Aylesbury to Samokov | 1,311.34 mi (2,110.39 km) |
| Aylesbury to Sandanski | 1,334.14 mi (2,147.08 km) |
| Aylesbury to Sevlievo | 1,345.78 mi (2,165.82 km) |
| Aylesbury to Shumen | 1,410.58 mi (2,270.10 km) |
| Aylesbury to Silistra | 1,392.50 mi (2,241.01 km) |
| Aylesbury to Sliven | 1,409.69 mi (2,268.68 km) |
