| Willenhall to Popovo | 1,443.41 mi (2,322.95 km) |
| Willenhall to Provadia | 1,499.00 mi (2,412.41 km) |
| Willenhall to Radnevo | 1,475.26 mi (2,374.21 km) |
| Willenhall to Radomir | 1,346.14 mi (2,166.40 km) |
| Willenhall to Rakitovo | 1,415.71 mi (2,278.37 km) |
| Willenhall to Rakovski | 1,437.16 mi (2,312.88 km) |
| Willenhall to Razgrad | 1,447.51 mi (2,329.54 km) |
| Willenhall to Razlog | 1,396.05 mi (2,246.73 km) |
| Willenhall to Ruse | 1,412.99 mi (2,273.99 km) |
| Willenhall to Samokov | 1,379.29 mi (2,219.75 km) |
| Willenhall to Sandanski | 1,403.20 mi (2,258.23 km) |
| Willenhall to Sevlievo | 1,411.59 mi (2,271.74 km) |
| Willenhall to Shumen | 1,474.58 mi (2,373.10 km) |
| Willenhall to Silistra | 1,454.89 mi (2,341.42 km) |
| Willenhall to Sliven | 1,475.05 mi (2,373.86 km) |
