| Westerlo to Dimitrovgrad | 1,157.85 mi (1,863.39 km) |
| Westerlo to Dobrich | 1,185.68 mi (1,908.17 km) |
| Westerlo to Dospat | 1,120.18 mi (1,802.75 km) |
| Westerlo to Dupnitsa | 1,051.71 mi (1,692.57 km) |
| Westerlo to Elhovo | 1,191.21 mi (1,917.07 km) |
| Westerlo to Etropole | 1,060.46 mi (1,706.65 km) |
| Westerlo to Gabrovo | 1,111.94 mi (1,789.50 km) |
| Westerlo to Gorna Oryahovitsa | 1,115.55 mi (1,795.30 km) |
| Westerlo to Gotse Delchev | 1,107.54 mi (1,782.42 km) |
| Westerlo to Harmanli | 1,174.86 mi (1,890.75 km) |
| Westerlo to Haskovo | 1,161.71 mi (1,869.59 km) |
| Westerlo to Ihtiman | 1,070.78 mi (1,723.26 km) |
| Westerlo to Isperih | 1,138.47 mi (1,832.19 km) |
| Westerlo to Kardzhali | 1,166.57 mi (1,877.42 km) |
| Westerlo to Karlovo | 1,100.55 mi (1,771.17 km) |
