| Gainsborough to Brownhills | 71.00 mi (114.27 km) |
| Gainsborough to Broxbourne | 118.43 mi (190.59 km) |
| Gainsborough to Broxburn | 205.48 mi (330.68 km) |
| Gainsborough to Bryn | 77.80 mi (125.21 km) |
| Gainsborough to Buckhurst Hill | 126.91 mi (204.24 km) |
| Gainsborough to Buckie | 307.47 mi (494.83 km) |
| Gainsborough to Buckingham | 97.59 mi (157.06 km) |
| Gainsborough to Buckley | 96.83 mi (155.84 km) |
| Gainsborough to Bucksburn | 266.61 mi (429.06 km) |
| Gainsborough to Bude | 239.29 mi (385.10 km) |
| Gainsborough to Bulwell | 32.77 mi (52.74 km) |
| Gainsborough to Burbage | 64.95 mi (104.53 km) |
| Gainsborough to Burgess Hill | 171.35 mi (275.76 km) |
| Gainsborough to Burnham | 128.71 mi (207.14 km) |
| Gainsborough to Burnham-on-Sea | 176.47 mi (284.00 km) |
