| Willebroek to Zulte | 41.90 mi (67.42 km) |
| Willebroek to Zwevegem | 48.62 mi (78.25 km) |
| Willebroek to Zwijndrecht | 10.46 mi (16.84 km) |
| Willebroek to Asenovgrad | 1,151.62 mi (1,853.35 km) |
| Willebroek to Aytos | 1,218.40 mi (1,960.83 km) |
| Willebroek to Balchik | 1,227.28 mi (1,975.12 km) |
| Willebroek to Bankya | 1,053.41 mi (1,695.30 km) |
| Willebroek to Bansko | 1,106.03 mi (1,779.99 km) |
| Willebroek to Berkovitsa | 1,029.57 mi (1,656.94 km) |
| Willebroek to Blagoevgrad | 1,082.74 mi (1,742.51 km) |
| Willebroek to Botevgrad | 1,070.34 mi (1,722.55 km) |
| Willebroek to Burgas | 1,235.49 mi (1,988.33 km) |
| Willebroek to Byala Slatina | 1,052.31 mi (1,693.53 km) |
| Willebroek to Chirpan | 1,161.70 mi (1,869.57 km) |
| Willebroek to Devnya | 1,210.73 mi (1,948.48 km) |
