| Keighley to Popovo | 1,462.82 mi (2,354.19 km) |
| Keighley to Provadia | 1,516.74 mi (2,440.95 km) |
| Keighley to Radnevo | 1,498.65 mi (2,411.84 km) |
| Keighley to Radomir | 1,374.81 mi (2,212.54 km) |
| Keighley to Rakitovo | 1,443.81 mi (2,323.59 km) |
| Keighley to Rakovski | 1,462.50 mi (2,353.66 km) |
| Keighley to Razgrad | 1,465.78 mi (2,358.94 km) |
| Keighley to Razlog | 1,425.75 mi (2,294.52 km) |
| Keighley to Ruse | 1,431.32 mi (2,303.49 km) |
| Keighley to Samokov | 1,407.37 mi (2,264.94 km) |
| Keighley to Sandanski | 1,434.25 mi (2,308.20 km) |
| Keighley to Sevlievo | 1,434.25 mi (2,308.20 km) |
| Keighley to Shumen | 1,492.90 mi (2,402.59 km) |
| Keighley to Silistra | 1,469.81 mi (2,365.43 km) |
| Keighley to Sliven | 1,496.45 mi (2,408.30 km) |
