| Irmo to Beyne-Heusay | 4,316.05 mi (6,946.01 km) |
| Irmo to Bierbeek | 4,274.62 mi (6,879.34 km) |
| Irmo to Bilzen | 4,304.40 mi (6,927.26 km) |
| Irmo to Binche | 4,260.41 mi (6,856.47 km) |
| Irmo to Bissegem | 4,211.44 mi (6,777.66 km) |
| Irmo to Blankenberge | 4,196.29 mi (6,753.28 km) |
| Irmo to Blegny | 4,318.20 mi (6,949.48 km) |
| Irmo to Bocholt | 4,299.41 mi (6,919.22 km) |
| Irmo to Boechout | 4,255.46 mi (6,848.50 km) |
| Irmo to Bonheiden | 4,260.28 mi (6,856.26 km) |
| Irmo to Boom | 4,252.30 mi (6,843.41 km) |
| Irmo to Boortmeerbeek | 4,262.84 mi (6,860.38 km) |
| Irmo to Borgerhout | 4,252.26 mi (6,843.35 km) |
| Irmo to Borgloon | 4,298.93 mi (6,918.45 km) |
| Irmo to Bornem | 4,246.47 mi (6,834.03 km) |
