| Seia to Broxbourne | 863.74 mi (1,390.06 km) |
| Seia to Broxburn | 1,088.85 mi (1,752.33 km) |
| Seia to Bryn | 933.74 mi (1,502.70 km) |
| Seia to Buckhurst Hill | 857.76 mi (1,380.43 km) |
| Seia to Buckie | 1,210.56 mi (1,948.21 km) |
| Seia to Buckingham | 860.79 mi (1,385.31 km) |
| Seia to Buckley | 907.11 mi (1,459.86 km) |
| Seia to Bucksburn | 1,183.72 mi (1,905.02 km) |
| Seia to Bude | 734.57 mi (1,182.18 km) |
| Seia to Bulwell | 921.21 mi (1,482.55 km) |
| Seia to Burbage | 888.53 mi (1,429.96 km) |
| Seia to Burgess Hill | 813.35 mi (1,308.96 km) |
| Seia to Burnham | 838.35 mi (1,349.20 km) |
| Seia to Burnham-on-Sea | 780.50 mi (1,256.09 km) |
| Seia to Burnley | 957.82 mi (1,541.46 km) |
