| Cities | Distance |
|---|---|
| Grays to Beyne-Heusay | 238.52 mi (383.86 km) |
| Grays to Bierbeek | 197.29 mi (317.50 km) |
| Grays to Bilzen | 228.54 mi (367.80 km) |
| Grays to Binche | 182.79 mi (294.17 km) |
| Grays to Bissegem | 133.12 mi (214.24 km) |
| Grays to Blankenberge | 120.76 mi (194.34 km) |
| Grays to Blegny | 241.08 mi (387.98 km) |
| Grays to Bocholt | 227.57 mi (366.24 km) |
| Grays to Boechout | 180.75 mi (290.89 km) |
| Grays to Bonheiden | 184.28 mi (296.57 km) |
| Grays to Boom | 176.53 mi (284.09 km) |
| Grays to Boortmeerbeek | 186.40 mi (299.98 km) |
| Grays to Borgerhout | 178.32 mi (286.98 km) |
| Grays to Borgloon | 222.20 mi (357.60 km) |
| Grays to Bornem | 170.63 mi (274.60 km) |