| Porvoo to Bressanone | 1,101.05 mi (1,771.96 km) |
| Porvoo to Bresso | 1,227.22 mi (1,975.03 km) |
| Porvoo to Brindisi | 1,404.71 mi (2,260.67 km) |
| Porvoo to Broni | 1,254.54 mi (2,018.98 km) |
| Porvoo to Bronte | 1,632.40 mi (2,627.09 km) |
| Porvoo to Brugherio | 1,223.54 mi (1,969.09 km) |
| Porvoo to Brugnera | 1,134.96 mi (1,826.54 km) |
| Porvoo to Bruino | 1,297.93 mi (2,088.81 km) |
| Porvoo to Brunico | 1,090.38 mi (1,754.80 km) |
| Porvoo to Brusciano | 1,428.46 mi (2,298.89 km) |
| Porvoo to Bucine | 1,306.44 mi (2,102.51 km) |
| Porvoo to Budrio | 1,239.86 mi (1,995.37 km) |
| Porvoo to Busca | 1,328.35 mi (2,137.77 km) |
| Porvoo to Bussolengo | 1,195.65 mi (1,924.22 km) |
| Porvoo to Busto Arsizio | 1,229.84 mi (1,979.23 km) |
