| Saint-Omer to Beyne-Heusay | 148.64 mi (239.21 km) |
| Saint-Omer to Bierbeek | 109.60 mi (176.39 km) |
| Saint-Omer to Bilzen | 142.38 mi (229.14 km) |
| Saint-Omer to Binche | 87.02 mi (140.05 km) |
| Saint-Omer to Bissegem | 42.03 mi (67.63 km) |
| Saint-Omer to Blankenberge | 53.26 mi (85.71 km) |
| Saint-Omer to Blegny | 152.03 mi (244.67 km) |
| Saint-Omer to Bocholt | 147.35 mi (237.13 km) |
| Saint-Omer to Boechout | 100.64 mi (161.97 km) |
| Saint-Omer to Bonheiden | 100.98 mi (162.51 km) |
| Saint-Omer to Boom | 94.61 mi (152.25 km) |
| Saint-Omer to Boortmeerbeek | 101.85 mi (163.92 km) |
| Saint-Omer to Borgerhout | 100.08 mi (161.07 km) |
| Saint-Omer to Borgloon | 134.72 mi (216.82 km) |
| Saint-Omer to Bornem | 89.28 mi (143.68 km) |
