| Loughton to Popovo | 1,339.36 mi (2,155.49 km) |
| Loughton to Provadia | 1,395.68 mi (2,246.13 km) |
| Loughton to Radnevo | 1,369.44 mi (2,203.90 km) |
| Loughton to Radomir | 1,238.47 mi (1,993.12 km) |
| Loughton to Rakitovo | 1,308.17 mi (2,105.30 km) |
| Loughton to Rakovski | 1,330.60 mi (2,141.39 km) |
| Loughton to Razgrad | 1,343.99 mi (2,162.95 km) |
| Loughton to Razlog | 1,288.00 mi (2,072.84 km) |
| Loughton to Ruse | 1,309.49 mi (2,107.42 km) |
| Loughton to Samokov | 1,271.79 mi (2,046.75 km) |
| Loughton to Sandanski | 1,294.72 mi (2,083.65 km) |
| Loughton to Sevlievo | 1,306.14 mi (2,102.03 km) |
| Loughton to Shumen | 1,371.00 mi (2,206.40 km) |
| Loughton to Silistra | 1,353.04 mi (2,177.51 km) |
| Loughton to Sliven | 1,370.06 mi (2,204.90 km) |
