| Round Rock to Twickenham | 4,892.19 mi (7,873.22 km) |
| Round Rock to Tyldesley | 4,752.01 mi (7,647.61 km) |
| Round Rock to Tynemouth | 4,749.99 mi (7,644.36 km) |
| Round Rock to Uckfield | 4,923.49 mi (7,923.59 km) |
| Round Rock to Ulverston | 4,710.54 mi (7,580.89 km) |
| Round Rock to Upminster | 4,911.88 mi (7,904.90 km) |
| Round Rock to Upton | 4,731.56 mi (7,614.70 km) |
| Round Rock to Urmston | 4,757.32 mi (7,656.17 km) |
| Round Rock to Usworth | 4,747.46 mi (7,640.29 km) |
| Round Rock to Uttoxeter | 4,792.00 mi (7,711.98 km) |
| Round Rock to Uxbridge | 4,884.02 mi (7,860.07 km) |
| Round Rock to Verwood | 4,847.99 mi (7,802.09 km) |
| Round Rock to Wakefield | 4,784.30 mi (7,699.58 km) |
| Round Rock to Walkden | 4,754.36 mi (7,651.41 km) |
| Round Rock to Wallasey | 4,733.61 mi (7,618.02 km) |
