| Rock Island to Ayr | 3,791.01 mi (6,101.04 km) |
| Rock Island to Bacup | 3,930.73 mi (6,325.90 km) |
| Rock Island to Baguley | 3,937.36 mi (6,336.57 km) |
| Rock Island to Baildon | 3,942.07 mi (6,344.16 km) |
| Rock Island to Bailleston | 3,798.39 mi (6,112.91 km) |
| Rock Island to Balderton | 4,003.52 mi (6,443.04 km) |
| Rock Island to Baldock | 4,060.00 mi (6,533.93 km) |
| Rock Island to Balham | 4,079.68 mi (6,565.62 km) |
| Rock Island to Bamber Bridge | 3,913.09 mi (6,297.51 km) |
| Rock Island to Banbridge | 3,762.76 mi (6,055.58 km) |
| Rock Island to Banbury | 4,014.82 mi (6,461.22 km) |
| Rock Island to Bangor | 3,775.64 mi (6,076.31 km) |
| Rock Island to Bangor | 3,873.98 mi (6,234.57 km) |
| Rock Island to Banstead | 4,081.83 mi (6,569.06 km) |
| Rock Island to Bargoed | 3,954.70 mi (6,364.48 km) |
