| Willich to Devnya | 1,126.07 mi (1,812.23 km) |
| Willich to Dimitrovgrad | 1,099.90 mi (1,770.11 km) |
| Willich to Dobrich | 1,122.53 mi (1,806.54 km) |
| Willich to Dospat | 1,065.04 mi (1,714.02 km) |
| Willich to Dupnitsa | 996.83 mi (1,604.24 km) |
| Willich to Elhovo | 1,131.86 mi (1,821.55 km) |
| Willich to Etropole | 1,002.98 mi (1,614.14 km) |
| Willich to Gabrovo | 1,052.67 mi (1,694.10 km) |
| Willich to Gorna Oryahovitsa | 1,055.31 mi (1,698.35 km) |
| Willich to Gotse Delchev | 1,053.26 mi (1,695.05 km) |
| Willich to Harmanli | 1,116.75 mi (1,797.24 km) |
| Willich to Haskovo | 1,104.03 mi (1,776.76 km) |
| Willich to Ihtiman | 1,014.45 mi (1,632.59 km) |
| Willich to Isperih | 1,075.95 mi (1,731.58 km) |
| Willich to Kardzhali | 1,109.72 mi (1,785.92 km) |
