| Irmo to Brescia | 4,650.30 mi (7,483.94 km) |
| Irmo to Bressanone | 4,675.78 mi (7,524.94 km) |
| Irmo to Bresso | 4,605.33 mi (7,411.56 km) |
| Irmo to Brindisi | 5,154.94 mi (8,296.07 km) |
| Irmo to Broni | 4,622.86 mi (7,439.78 km) |
| Irmo to Bronte | 5,116.47 mi (8,234.16 km) |
| Irmo to Brugherio | 4,609.94 mi (7,418.99 km) |
| Irmo to Brugnera | 4,738.63 mi (7,626.09 km) |
| Irmo to Bruino | 4,545.00 mi (7,314.48 km) |
| Irmo to Brunico | 4,685.05 mi (7,539.85 km) |
| Irmo to Brusciano | 4,987.18 mi (8,026.10 km) |
| Irmo to Bucine | 4,776.04 mi (7,686.29 km) |
| Irmo to Budrio | 4,738.30 mi (7,625.56 km) |
| Irmo to Busca | 4,559.56 mi (7,337.90 km) |
| Irmo to Bussolengo | 4,679.84 mi (7,531.47 km) |
