| Ruislip to Popovo | 1,359.11 mi (2,187.28 km) |
| Ruislip to Provadia | 1,415.61 mi (2,278.21 km) |
| Ruislip to Radnevo | 1,388.64 mi (2,234.80 km) |
| Ruislip to Radomir | 1,256.93 mi (2,022.84 km) |
| Ruislip to Rakitovo | 1,326.70 mi (2,135.11 km) |
| Ruislip to Rakovski | 1,349.54 mi (2,171.87 km) |
| Ruislip to Razgrad | 1,363.89 mi (2,194.97 km) |
| Ruislip to Razlog | 1,306.27 mi (2,102.24 km) |
| Ruislip to Ruse | 1,329.39 mi (2,139.45 km) |
| Ruislip to Samokov | 1,290.33 mi (2,076.59 km) |
| Ruislip to Sandanski | 1,312.76 mi (2,112.68 km) |
| Ruislip to Sevlievo | 1,325.48 mi (2,133.15 km) |
| Ruislip to Shumen | 1,390.87 mi (2,238.39 km) |
| Ruislip to Silistra | 1,373.33 mi (2,210.16 km) |
| Ruislip to Sliven | 1,389.54 mi (2,236.25 km) |
