| Portage to Ayr | 3,574.59 mi (5,752.74 km) |
| Portage to Bacup | 3,711.10 mi (5,972.43 km) |
| Portage to Baguley | 3,716.84 mi (5,981.67 km) |
| Portage to Baildon | 3,723.18 mi (5,991.88 km) |
| Portage to Bailleston | 3,583.49 mi (5,767.06 km) |
| Portage to Balderton | 3,783.25 mi (6,088.56 km) |
| Portage to Baldock | 3,837.44 mi (6,175.76 km) |
| Portage to Balham | 3,855.78 mi (6,205.28 km) |
| Portage to Bamber Bridge | 3,693.17 mi (5,943.58 km) |
| Portage to Banbridge | 3,541.97 mi (5,700.25 km) |
| Portage to Banbury | 3,791.51 mi (6,101.85 km) |
| Portage to Bangor | 3,556.16 mi (5,723.09 km) |
| Portage to Bangor | 3,651.60 mi (5,876.69 km) |
| Portage to Banstead | 3,857.58 mi (6,208.17 km) |
| Portage to Bargoed | 3,728.97 mi (6,001.20 km) |
