| Kempston to Popovo | 1,371.29 mi (2,206.88 km) |
| Kempston to Provadia | 1,427.15 mi (2,296.77 km) |
| Kempston to Radnevo | 1,402.56 mi (2,257.21 km) |
| Kempston to Radomir | 1,272.95 mi (2,048.61 km) |
| Kempston to Rakitovo | 1,342.56 mi (2,160.63 km) |
| Kempston to Rakovski | 1,364.25 mi (2,195.54 km) |
| Kempston to Razgrad | 1,375.58 mi (2,213.79 km) |
| Kempston to Razlog | 1,322.79 mi (2,128.83 km) |
| Kempston to Ruse | 1,341.06 mi (2,158.23 km) |
| Kempston to Samokov | 1,306.14 mi (2,102.03 km) |
| Kempston to Sandanski | 1,329.86 mi (2,140.21 km) |
| Kempston to Sevlievo | 1,339.01 mi (2,154.92 km) |
| Kempston to Shumen | 1,402.63 mi (2,257.31 km) |
| Kempston to Silistra | 1,383.59 mi (2,226.68 km) |
| Kempston to Sliven | 1,402.61 mi (2,257.29 km) |
