| Thornbury to Popovo | 1,447.12 mi (2,328.91 km) |
| Thornbury to Provadia | 1,503.91 mi (2,420.31 km) |
| Thornbury to Radnevo | 1,475.66 mi (2,374.84 km) |
| Thornbury to Radomir | 1,342.53 mi (2,160.59 km) |
| Thornbury to Rakitovo | 1,412.37 mi (2,273.00 km) |
| Thornbury to Rakovski | 1,436.05 mi (2,311.10 km) |
| Thornbury to Razgrad | 1,452.13 mi (2,336.97 km) |
| Thornbury to Razlog | 1,391.43 mi (2,239.29 km) |
| Thornbury to Ruse | 1,417.65 mi (2,281.48 km) |
| Thornbury to Samokov | 1,376.07 mi (2,214.57 km) |
| Thornbury to Sandanski | 1,397.41 mi (2,248.92 km) |
| Thornbury to Sevlievo | 1,412.76 mi (2,273.61 km) |
| Thornbury to Shumen | 1,479.07 mi (2,380.34 km) |
| Thornbury to Silistra | 1,462.16 mi (2,353.11 km) |
| Thornbury to Sliven | 1,477.06 mi (2,377.10 km) |
