| Istrana to Blackburn | 854.35 mi (1,374.94 km) |
| Istrana to Blackpool | 876.10 mi (1,409.94 km) |
| Istrana to Blairgowrie | 1,003.43 mi (1,614.87 km) |
| Istrana to Blandford Forum | 745.32 mi (1,199.48 km) |
| Istrana to Blaydon | 881.63 mi (1,418.85 km) |
| Istrana to Bletchley | 726.74 mi (1,169.57 km) |
| Istrana to Bloxwich | 794.95 mi (1,279.35 km) |
| Istrana to Blunsdon Saint Andrew | 752.92 mi (1,211.70 km) |
| Istrana to Blyth | 883.01 mi (1,421.06 km) |
| Istrana to Bo'ness | 985.15 mi (1,585.45 km) |
| Istrana to Bodmin | 841.40 mi (1,354.11 km) |
| Istrana to Bognor Regis | 684.11 mi (1,100.96 km) |
| Istrana to Bolsover | 793.61 mi (1,277.19 km) |
| Istrana to Bolton | 845.90 mi (1,361.35 km) |
| Istrana to Bonhill | 1,012.57 mi (1,629.58 km) |
