| Wealdstone to Popovo | 1,355.38 mi (2,181.27 km) |
| Wealdstone to Provadia | 1,411.84 mi (2,272.14 km) |
| Wealdstone to Radnevo | 1,385.03 mi (2,228.99 km) |
| Wealdstone to Radomir | 1,253.48 mi (2,017.29 km) |
| Wealdstone to Rakitovo | 1,323.23 mi (2,129.54 km) |
| Wealdstone to Rakovski | 1,345.98 mi (2,166.15 km) |
| Wealdstone to Razgrad | 1,360.12 mi (2,188.91 km) |
| Wealdstone to Razlog | 1,302.87 mi (2,096.76 km) |
| Wealdstone to Ruse | 1,325.62 mi (2,133.38 km) |
| Wealdstone to Samokov | 1,286.87 mi (2,071.01 km) |
| Wealdstone to Sandanski | 1,309.40 mi (2,107.28 km) |
| Wealdstone to Sevlievo | 1,321.84 mi (2,127.29 km) |
| Wealdstone to Shumen | 1,387.11 mi (2,232.34 km) |
| Wealdstone to Silistra | 1,369.47 mi (2,203.96 km) |
| Wealdstone to Sliven | 1,385.87 mi (2,230.34 km) |
