| West Boldon to Popovo | 1,470.36 mi (2,366.31 km) |
| West Boldon to Provadia | 1,522.65 mi (2,450.46 km) |
| West Boldon to Radnevo | 1,509.54 mi (2,429.38 km) |
| West Boldon to Radomir | 1,390.71 mi (2,238.13 km) |
| West Boldon to Rakitovo | 1,458.99 mi (2,348.02 km) |
| West Boldon to Rakovski | 1,475.21 mi (2,374.12 km) |
| West Boldon to Razgrad | 1,472.30 mi (2,369.44 km) |
| West Boldon to Razlog | 1,442.39 mi (2,321.31 km) |
| West Boldon to Ruse | 1,438.01 mi (2,314.25 km) |
| West Boldon to Samokov | 1,422.65 mi (2,289.53 km) |
| West Boldon to Sandanski | 1,452.06 mi (2,336.87 km) |
| West Boldon to Sevlievo | 1,444.70 mi (2,325.02 km) |
| West Boldon to Shumen | 1,499.40 mi (2,413.04 km) |
| West Boldon to Silistra | 1,473.42 mi (2,371.23 km) |
| West Boldon to Sliven | 1,505.62 mi (2,423.06 km) |
