| Porvoo to Borsbeek | 1,031.58 mi (1,660.17 km) |
| Porvoo to Boussu | 1,090.74 mi (1,755.38 km) |
| Porvoo to Braine-l'Alleud | 1,061.05 mi (1,707.60 km) |
| Porvoo to Braine-le-Chateau | 1,064.03 mi (1,712.40 km) |
| Porvoo to Braine-le-Comte | 1,072.23 mi (1,725.58 km) |
| Porvoo to Brasschaat | 1,026.77 mi (1,652.43 km) |
| Porvoo to Brecht | 1,019.62 mi (1,640.93 km) |
| Porvoo to Bredene | 1,075.71 mi (1,731.19 km) |
| Porvoo to Bree | 1,002.29 mi (1,613.03 km) |
| Porvoo to Bruges | 1,069.29 mi (1,720.86 km) |
| Porvoo to Brussels | 1,053.21 mi (1,694.98 km) |
| Porvoo to Buggenhout | 1,050.07 mi (1,689.92 km) |
| Porvoo to Chapelle-lez-Herlaimont | 1,074.58 mi (1,729.37 km) |
| Porvoo to Charleroi | 1,073.58 mi (1,727.76 km) |
| Porvoo to Chatelet | 1,071.13 mi (1,723.82 km) |
