| Greenford to Popovo | 1,354.82 mi (2,180.38 km) |
| Greenford to Provadia | 1,411.37 mi (2,271.38 km) |
| Greenford to Radnevo | 1,384.25 mi (2,227.73 km) |
| Greenford to Radomir | 1,252.43 mi (2,015.59 km) |
| Greenford to Rakitovo | 1,322.20 mi (2,127.87 km) |
| Greenford to Rakovski | 1,345.10 mi (2,164.73 km) |
| Greenford to Razgrad | 1,359.63 mi (2,188.12 km) |
| Greenford to Razlog | 1,301.74 mi (2,094.95 km) |
| Greenford to Ruse | 1,325.14 mi (2,132.60 km) |
| Greenford to Samokov | 1,285.84 mi (2,069.36 km) |
| Greenford to Sandanski | 1,308.20 mi (2,105.34 km) |
| Greenford to Sevlievo | 1,321.11 mi (2,126.12 km) |
| Greenford to Shumen | 1,386.61 mi (2,231.53 km) |
| Greenford to Silistra | 1,369.17 mi (2,203.46 km) |
| Greenford to Sliven | 1,385.20 mi (2,229.26 km) |
