| Peterlee to Popovo | 1,461.60 mi (2,352.21 km) |
| Peterlee to Provadia | 1,514.11 mi (2,436.73 km) |
| Peterlee to Radnevo | 1,500.34 mi (2,414.57 km) |
| Peterlee to Radomir | 1,380.85 mi (2,222.27 km) |
| Peterlee to Rakitovo | 1,449.24 mi (2,332.32 km) |
| Peterlee to Rakovski | 1,465.77 mi (2,358.92 km) |
| Peterlee to Razgrad | 1,463.68 mi (2,355.56 km) |
| Peterlee to Razlog | 1,432.46 mi (2,305.32 km) |
| Peterlee to Ruse | 1,429.36 mi (2,300.33 km) |
| Peterlee to Samokov | 1,412.88 mi (2,273.80 km) |
| Peterlee to Sandanski | 1,441.99 mi (2,320.65 km) |
| Peterlee to Sevlievo | 1,435.55 mi (2,310.29 km) |
| Peterlee to Shumen | 1,490.78 mi (2,399.18 km) |
| Peterlee to Silistra | 1,465.19 mi (2,358.00 km) |
| Peterlee to Sliven | 1,496.64 mi (2,408.61 km) |
