| Gainsborough to Bispham | 97.99 mi (157.70 km) |
| Gainsborough to Blackburn | 74.08 mi (119.21 km) |
| Gainsborough to Blackpool | 97.60 mi (157.07 km) |
| Gainsborough to Blairgowrie | 242.72 mi (390.62 km) |
| Gainsborough to Blandford Forum | 185.52 mi (298.56 km) |
| Gainsborough to Blaydon | 114.46 mi (184.20 km) |
| Gainsborough to Bletchley | 97.27 mi (156.54 km) |
| Gainsborough to Bloxwich | 74.69 mi (120.21 km) |
| Gainsborough to Blunsdon Saint Andrew | 130.96 mi (210.76 km) |
| Gainsborough to Blyth | 122.84 mi (197.69 km) |
| Gainsborough to Bo'ness | 213.18 mi (343.08 km) |
| Gainsborough to Bodmin | 263.32 mi (423.78 km) |
| Gainsborough to Bognor Regis | 181.02 mi (291.32 km) |
| Gainsborough to Bolsover | 24.30 mi (39.11 km) |
| Gainsborough to Bolton | 69.15 mi (111.28 km) |
