| Porvoo to Bradford-on-Avon | 1,236.00 mi (1,989.14 km) |
| Porvoo to Bradwell | 1,156.79 mi (1,861.68 km) |
| Porvoo to Braintree | 1,121.46 mi (1,804.81 km) |
| Porvoo to Bramhall | 1,146.32 mi (1,844.82 km) |
| Porvoo to Brandon | 1,093.43 mi (1,759.71 km) |
| Porvoo to Braunstone | 1,144.65 mi (1,842.14 km) |
| Porvoo to Bredbury | 1,142.05 mi (1,837.96 km) |
| Porvoo to Brentwood | 1,141.13 mi (1,836.48 km) |
| Porvoo to Bridgnorth | 1,189.10 mi (1,913.68 km) |
| Porvoo to Bridgwater | 1,270.11 mi (2,044.04 km) |
| Porvoo to Bridlington | 1,051.61 mi (1,692.40 km) |
| Porvoo to Bridport | 1,280.66 mi (2,061.02 km) |
| Porvoo to Brierley Hill | 1,181.75 mi (1,901.84 km) |
| Porvoo to Brighouse | 1,119.86 mi (1,802.24 km) |
| Porvoo to Brighton | 1,192.67 mi (1,919.42 km) |
