| Thornton Heath to Popovo | 1,342.61 mi (2,160.72 km) |
| Thornton Heath to Provadia | 1,399.26 mi (2,251.90 km) |
| Thornton Heath to Radnevo | 1,371.73 mi (2,207.59 km) |
| Thornton Heath to Radomir | 1,239.61 mi (1,994.95 km) |
| Thornton Heath to Rakitovo | 1,309.39 mi (2,107.26 km) |
| Thornton Heath to Rakovski | 1,332.46 mi (2,144.39 km) |
| Thornton Heath to Razgrad | 1,347.51 mi (2,168.60 km) |
| Thornton Heath to Razlog | 1,288.84 mi (2,074.19 km) |
| Thornton Heath to Ruse | 1,313.02 mi (2,113.10 km) |
| Thornton Heath to Samokov | 1,273.04 mi (2,048.77 km) |
| Thornton Heath to Sandanski | 1,295.22 mi (2,084.46 km) |
| Thornton Heath to Sevlievo | 1,308.67 mi (2,106.09 km) |
| Thornton Heath to Shumen | 1,374.47 mi (2,211.99 km) |
| Thornton Heath to Silistra | 1,357.31 mi (2,184.38 km) |
| Thornton Heath to Sliven | 1,372.82 mi (2,209.35 km) |
