| Rockville to Ayr | 3,409.60 mi (5,487.22 km) |
| Rockville to Bacup | 3,533.59 mi (5,686.76 km) |
| Rockville to Baguley | 3,536.29 mi (5,691.10 km) |
| Rockville to Baildon | 3,547.95 mi (5,709.88 km) |
| Rockville to Bailleston | 3,423.29 mi (5,509.25 km) |
| Rockville to Balderton | 3,602.66 mi (5,797.92 km) |
| Rockville to Baldock | 3,648.40 mi (5,871.54 km) |
| Rockville to Balham | 3,661.92 mi (5,893.30 km) |
| Rockville to Bamber Bridge | 3,514.96 mi (5,656.78 km) |
| Rockville to Banbridge | 3,363.00 mi (5,412.22 km) |
| Rockville to Banbury | 3,600.54 mi (5,794.51 km) |
| Rockville to Bangor | 3,381.39 mi (5,441.81 km) |
| Rockville to Bangor | 3,465.69 mi (5,577.48 km) |
| Rockville to Banstead | 3,662.52 mi (5,894.25 km) |
| Rockville to Bargoed | 3,530.41 mi (5,681.64 km) |
