| Cities | Distance |
|---|---|
| Groslay to Beyne-Heusay | 185.48 mi (298.50 km) |
| Groslay to Bierbeek | 167.00 mi (268.76 km) |
| Groslay to Bilzen | 191.76 mi (308.60 km) |
| Groslay to Binche | 127.15 mi (204.63 km) |
| Groslay to Bissegem | 132.26 mi (212.86 km) |
| Groslay to Blankenberge | 163.45 mi (263.04 km) |
| Groslay to Blegny | 190.47 mi (306.53 km) |
| Groslay to Bocholt | 208.23 mi (335.11 km) |
| Groslay to Boechout | 177.01 mi (284.87 km) |
| Groslay to Bonheiden | 171.57 mi (276.12 km) |
| Groslay to Boom | 170.40 mi (274.22 km) |
| Groslay to Boortmeerbeek | 169.62 mi (272.98 km) |
| Groslay to Borgerhout | 179.61 mi (289.05 km) |
| Groslay to Borgloon | 183.14 mi (294.74 km) |
| Groslay to Bornem | 168.35 mi (270.93 km) |