| Mafra to Blackburn | 1,072.74 mi (1,726.40 km) |
| Mafra to Blackpool | 1,069.33 mi (1,720.92 km) |
| Mafra to Blairgowrie | 1,249.71 mi (2,011.22 km) |
| Mafra to Blandford Forum | 893.82 mi (1,438.46 km) |
| Mafra to Blaydon | 1,162.12 mi (1,870.26 km) |
| Mafra to Bletchley | 991.85 mi (1,596.23 km) |
| Mafra to Bloxwich | 1,007.27 mi (1,621.05 km) |
| Mafra to Blunsdon Saint Andrew | 947.81 mi (1,525.36 km) |
| Mafra to Blyth | 1,175.55 mi (1,891.86 km) |
| Mafra to Bo'ness | 1,208.69 mi (1,945.20 km) |
| Mafra to Bodmin | 827.48 mi (1,331.70 km) |
| Mafra to Bognor Regis | 919.97 mi (1,480.55 km) |
| Mafra to Bolsover | 1,058.28 mi (1,703.14 km) |
| Mafra to Bolton | 1,062.49 mi (1,709.91 km) |
| Mafra to Bonhill | 1,197.63 mi (1,927.40 km) |
