| Willich to Popovo | 1,067.12 mi (1,717.37 km) |
| Willich to Provadia | 1,122.09 mi (1,805.83 km) |
| Willich to Radnevo | 1,101.29 mi (1,772.35 km) |
| Willich to Radomir | 976.97 mi (1,572.29 km) |
| Willich to Rakitovo | 1,045.91 mi (1,683.23 km) |
| Willich to Rakovski | 1,064.71 mi (1,713.49 km) |
| Willich to Razgrad | 1,070.76 mi (1,723.22 km) |
| Willich to Razlog | 1,028.06 mi (1,654.50 km) |
| Willich to Ruse | 1,036.25 mi (1,667.68 km) |
| Willich to Samokov | 1,009.47 mi (1,624.59 km) |
| Willich to Sandanski | 1,036.88 mi (1,668.70 km) |
| Willich to Sevlievo | 1,037.09 mi (1,669.04 km) |
| Willich to Shumen | 1,097.86 mi (1,766.83 km) |
| Willich to Silistra | 1,077.30 mi (1,733.75 km) |
| Willich to Sliven | 1,099.79 mi (1,769.94 km) |
