| Idanha-a-Nova to Bacup | 981.28 mi (1,579.22 km) |
| Idanha-a-Nova to Baguley | 960.15 mi (1,545.21 km) |
| Idanha-a-Nova to Baildon | 996.08 mi (1,603.03 km) |
| Idanha-a-Nova to Bailleston | 1,109.86 mi (1,786.15 km) |
| Idanha-a-Nova to Balderton | 957.42 mi (1,540.81 km) |
| Idanha-a-Nova to Baldock | 899.15 mi (1,447.04 km) |
| Idanha-a-Nova to Balham | 865.68 mi (1,393.18 km) |
| Idanha-a-Nova to Bamber Bridge | 977.94 mi (1,573.84 km) |
| Idanha-a-Nova to Banbridge | 997.79 mi (1,605.78 km) |
| Idanha-a-Nova to Banbury | 884.83 mi (1,423.99 km) |
| Idanha-a-Nova to Bangor | 1,021.23 mi (1,643.51 km) |
| Idanha-a-Nova to Bangor | 931.24 mi (1,498.69 km) |
| Idanha-a-Nova to Banstead | 857.16 mi (1,379.47 km) |
| Idanha-a-Nova to Bargoed | 835.56 mi (1,344.70 km) |
| Idanha-a-Nova to Barking | 876.08 mi (1,409.91 km) |
