| Woolwich to Popovo | 1,336.95 mi (2,151.61 km) |
| Woolwich to Provadia | 1,393.47 mi (2,242.57 km) |
| Woolwich to Radnevo | 1,366.48 mi (2,199.13 km) |
| Woolwich to Radomir | 1,234.85 mi (1,987.29 km) |
| Woolwich to Rakitovo | 1,304.60 mi (2,099.55 km) |
| Woolwich to Rakovski | 1,327.39 mi (2,136.23 km) |
| Woolwich to Razgrad | 1,341.74 mi (2,159.32 km) |
| Woolwich to Razlog | 1,284.22 mi (2,066.75 km) |
| Woolwich to Ruse | 1,307.24 mi (2,103.80 km) |
| Woolwich to Samokov | 1,268.23 mi (2,041.02 km) |
| Woolwich to Sandanski | 1,290.75 mi (2,077.25 km) |
| Woolwich to Sevlievo | 1,303.31 mi (2,097.47 km) |
| Woolwich to Shumen | 1,368.72 mi (2,202.74 km) |
| Woolwich to Silistra | 1,351.24 mi (2,174.60 km) |
| Woolwich to Sliven | 1,367.37 mi (2,200.57 km) |
