| Porvoo to Borgentreich | 875.60 mi (1,409.14 km) |
| Porvoo to Borgholzhausen | 874.32 mi (1,407.08 km) |
| Porvoo to Borken | 929.27 mi (1,495.52 km) |
| Porvoo to Borna | 817.20 mi (1,315.15 km) |
| Porvoo to Bornheim | 980.76 mi (1,578.39 km) |
| Porvoo to Bosel | 839.31 mi (1,350.74 km) |
| Porvoo to Bottrop | 943.30 mi (1,518.10 km) |
| Porvoo to Bovenden | 856.17 mi (1,377.87 km) |
| Porvoo to Brackenheim | 1,018.35 mi (1,638.88 km) |
| Porvoo to Brake | 807.83 mi (1,300.07 km) |
| Porvoo to Brakel | 869.47 mi (1,399.27 km) |
| Porvoo to Bramsche | 868.27 mi (1,397.35 km) |
| Porvoo to Brand | 1,005.19 mi (1,617.70 km) |
| Porvoo to Brand-Erbisdorf | 812.60 mi (1,307.76 km) |
| Porvoo to Brandenburg | 742.88 mi (1,195.56 km) |
