| Idrija to Broxbourne | 749.94 mi (1,206.91 km) |
| Idrija to Broxburn | 1,019.70 mi (1,641.04 km) |
| Idrija to Bryn | 903.69 mi (1,454.36 km) |
| Idrija to Buckhurst Hill | 744.14 mi (1,197.57 km) |
| Idrija to Buckie | 1,078.76 mi (1,736.09 km) |
| Idrija to Buckingham | 794.35 mi (1,278.39 km) |
| Idrija to Buckley | 909.13 mi (1,463.10 km) |
| Idrija to Bucksburn | 1,033.94 mi (1,663.96 km) |
| Idrija to Bude | 911.38 mi (1,466.72 km) |
| Idrija to Bulwell | 834.23 mi (1,342.56 km) |
| Idrija to Burbage | 824.37 mi (1,326.70 km) |
| Idrija to Burgess Hill | 731.31 mi (1,176.93 km) |
| Idrija to Burnham | 768.52 mi (1,236.81 km) |
| Idrija to Burnham-on-Sea | 854.79 mi (1,375.65 km) |
| Idrija to Burnley | 898.83 mi (1,446.53 km) |
