| Porvoo to Burntwood | 1,166.30 mi (1,876.97 km) |
| Porvoo to Burscough | 1,159.36 mi (1,865.81 km) |
| Porvoo to Burslem | 1,160.05 mi (1,866.91 km) |
| Porvoo to Burton upon Trent | 1,151.91 mi (1,853.81 km) |
| Porvoo to Burtonwood | 1,159.94 mi (1,866.74 km) |
| Porvoo to Bury | 1,141.25 mi (1,836.67 km) |
| Porvoo to Bury Saint Edmunds | 1,099.33 mi (1,769.19 km) |
| Porvoo to Bushey | 1,161.40 mi (1,869.09 km) |
| Porvoo to Buxton | 1,141.91 mi (1,837.72 km) |
| Porvoo to Caerdydd | 1,260.21 mi (2,028.11 km) |
| Porvoo to Caerfyrddin | 1,281.13 mi (2,061.79 km) |
| Porvoo to Caernarfon | 1,225.53 mi (1,972.31 km) |
| Porvoo to Caerphilly | 1,257.18 mi (2,023.23 km) |
| Porvoo to Caister-on-Sea | 1,048.70 mi (1,687.72 km) |
| Porvoo to Caldicot | 1,241.24 mi (1,997.58 km) |
