| Usworth to Popovo | 1,474.26 mi (2,372.59 km) |
| Usworth to Provadia | 1,526.59 mi (2,456.81 km) |
| Usworth to Radnevo | 1,513.36 mi (2,435.52 km) |
| Usworth to Radomir | 1,394.37 mi (2,244.03 km) |
| Usworth to Rakitovo | 1,462.68 mi (2,353.96 km) |
| Usworth to Rakovski | 1,478.97 mi (2,380.18 km) |
| Usworth to Razgrad | 1,476.23 mi (2,375.76 km) |
| Usworth to Razlog | 1,446.04 mi (2,327.18 km) |
| Usworth to Ruse | 1,441.93 mi (2,320.57 km) |
| Usworth to Samokov | 1,426.34 mi (2,295.46 km) |
| Usworth to Sandanski | 1,455.67 mi (2,342.68 km) |
| Usworth to Sevlievo | 1,448.53 mi (2,331.18 km) |
| Usworth to Shumen | 1,503.32 mi (2,419.37 km) |
| Usworth to Silistra | 1,477.41 mi (2,377.66 km) |
| Usworth to Sliven | 1,509.48 mi (2,429.27 km) |
