| Grinon to Blackburn | 937.10 mi (1,508.11 km) |
| Grinon to Blackpool | 940.24 mi (1,513.16 km) |
| Grinon to Blairgowrie | 1,131.63 mi (1,821.18 km) |
| Grinon to Blandford Forum | 739.56 mi (1,190.21 km) |
| Grinon to Blaydon | 1,023.58 mi (1,647.29 km) |
| Grinon to Bletchley | 827.12 mi (1,331.13 km) |
| Grinon to Bloxwich | 861.00 mi (1,385.64 km) |
| Grinon to Blunsdon Saint Andrew | 793.32 mi (1,276.72 km) |
| Grinon to Blyth | 1,035.70 mi (1,666.80 km) |
| Grinon to Bo'ness | 1,091.74 mi (1,756.98 km) |
| Grinon to Bodmin | 709.40 mi (1,141.67 km) |
| Grinon to Bognor Regis | 745.84 mi (1,200.31 km) |
| Grinon to Bolsover | 907.16 mi (1,459.93 km) |
| Grinon to Bolton | 925.56 mi (1,489.55 km) |
| Grinon to Bonhill | 1,089.83 mi (1,753.92 km) |
