| Sunderland to Popovo | 1,467.15 mi (2,361.16 km) |
| Sunderland to Provadia | 1,519.48 mi (2,445.37 km) |
| Sunderland to Radnevo | 1,506.27 mi (2,424.11 km) |
| Sunderland to Radomir | 1,387.34 mi (2,232.71 km) |
| Sunderland to Rakitovo | 1,455.64 mi (2,342.63 km) |
| Sunderland to Rakovski | 1,471.90 mi (2,368.80 km) |
| Sunderland to Razgrad | 1,469.12 mi (2,364.32 km) |
| Sunderland to Razlog | 1,439.02 mi (2,315.88 km) |
| Sunderland to Ruse | 1,434.82 mi (2,309.13 km) |
| Sunderland to Samokov | 1,419.29 mi (2,284.13 km) |
| Sunderland to Sandanski | 1,448.67 mi (2,331.41 km) |
| Sunderland to Sevlievo | 1,441.44 mi (2,319.77 km) |
| Sunderland to Shumen | 1,496.22 mi (2,407.93 km) |
| Sunderland to Silistra | 1,470.30 mi (2,366.22 km) |
| Sunderland to Sliven | 1,502.38 mi (2,417.85 km) |
