| Duffel to Blackburn | 346.80 mi (558.12 km) |
| Duffel to Blackpool | 369.40 mi (594.50 km) |
| Duffel to Blairgowrie | 495.91 mi (798.08 km) |
| Duffel to Blandford Forum | 291.06 mi (468.41 km) |
| Duffel to Blaydon | 371.71 mi (598.21 km) |
| Duffel to Bletchley | 233.77 mi (376.21 km) |
| Duffel to Bloxwich | 297.14 mi (478.21 km) |
| Duffel to Blunsdon Saint Andrew | 274.31 mi (441.45 km) |
| Duffel to Blyth | 373.81 mi (601.59 km) |
| Duffel to Bo'ness | 475.46 mi (765.17 km) |
| Duffel to Bodmin | 405.52 mi (652.61 km) |
| Duffel to Bognor Regis | 227.11 mi (365.49 km) |
| Duffel to Bolsover | 286.54 mi (461.13 km) |
| Duffel to Bolton | 339.33 mi (546.09 km) |
| Duffel to Bonhill | 502.19 mi (808.19 km) |
