| West Drayton to Popovo | 1,359.22 mi (2,187.46 km) |
| West Drayton to Provadia | 1,415.82 mi (2,278.54 km) |
| West Drayton to Radnevo | 1,388.49 mi (2,234.56 km) |
| West Drayton to Radomir | 1,256.48 mi (2,022.11 km) |
| West Drayton to Rakitovo | 1,326.26 mi (2,134.41 km) |
| West Drayton to Rakovski | 1,349.27 mi (2,171.45 km) |
| West Drayton to Razgrad | 1,364.07 mi (2,195.26 km) |
| West Drayton to Razlog | 1,305.74 mi (2,101.38 km) |
| West Drayton to Ruse | 1,329.58 mi (2,139.75 km) |
| West Drayton to Samokov | 1,289.91 mi (2,075.91 km) |
| West Drayton to Sandanski | 1,312.13 mi (2,111.68 km) |
| West Drayton to Sevlievo | 1,325.39 mi (2,133.01 km) |
| West Drayton to Shumen | 1,391.04 mi (2,238.67 km) |
| West Drayton to Silistra | 1,373.72 mi (2,210.79 km) |
| West Drayton to Sliven | 1,389.52 mi (2,236.21 km) |
