| Round Rock to Burnley | 4,752.87 mi (7,649.01 km) |
| Round Rock to Burntwood | 4,795.67 mi (7,717.89 km) |
| Round Rock to Burscough | 4,735.64 mi (7,621.28 km) |
| Round Rock to Burslem | 4,775.50 mi (7,685.43 km) |
| Round Rock to Burton upon Trent | 4,803.20 mi (7,730.01 km) |
| Round Rock to Burtonwood | 4,746.96 mi (7,639.50 km) |
| Round Rock to Bury | 4,756.31 mi (7,654.53 km) |
| Round Rock to Bury Saint Edmunds | 4,909.14 mi (7,900.49 km) |
| Round Rock to Bushey | 4,885.58 mi (7,862.58 km) |
| Round Rock to Buxton | 4,780.07 mi (7,692.79 km) |
| Round Rock to Caerdydd | 4,779.71 mi (7,692.20 km) |
| Round Rock to Caerfyrddin | 4,724.78 mi (7,603.81 km) |
| Round Rock to Caernarfon | 4,693.18 mi (7,552.94 km) |
| Round Rock to Caerphilly | 4,775.56 mi (7,685.52 km) |
| Round Rock to Caister-on-Sea | 4,935.32 mi (7,942.62 km) |
