| Porvoo to Bentley | 1,104.50 mi (1,777.52 km) |
| Porvoo to Berkhampstead | 1,162.49 mi (1,870.85 km) |
| Porvoo to Berwick-Upon-Tweed | 1,050.93 mi (1,691.30 km) |
| Porvoo to Beverley | 1,068.83 mi (1,720.12 km) |
| Porvoo to Bewdley | 1,192.49 mi (1,919.13 km) |
| Porvoo to Bexleyheath | 1,153.91 mi (1,857.05 km) |
| Porvoo to Bicester | 1,175.28 mi (1,891.43 km) |
| Porvoo to Bickenhill | 1,170.35 mi (1,883.49 km) |
| Porvoo to Bickley | 1,159.56 mi (1,866.13 km) |
| Porvoo to Biddulph | 1,156.24 mi (1,860.79 km) |
| Porvoo to Bideford | 1,314.95 mi (2,116.21 km) |
| Porvoo to Bidston | 1,175.01 mi (1,890.99 km) |
| Porvoo to Biggleswade | 1,137.99 mi (1,831.42 km) |
| Porvoo to Billericay | 1,137.15 mi (1,830.06 km) |
| Porvoo to Billingham | 1,067.34 mi (1,717.71 km) |
