| Round Rock to Tonypandy | 4,765.15 mi (7,668.77 km) |
| Round Rock to Tonyrefail | 4,767.00 mi (7,671.74 km) |
| Round Rock to Torquay | 4,793.36 mi (7,714.16 km) |
| Round Rock to Torton | 4,792.82 mi (7,713.30 km) |
| Round Rock to Tottenham | 4,898.26 mi (7,882.98 km) |
| Round Rock to Totteridge | 4,892.02 mi (7,872.95 km) |
| Round Rock to Tottington | 4,754.22 mi (7,651.17 km) |
| Round Rock to Towcester | 4,847.07 mi (7,800.61 km) |
| Round Rock to Tranent | 4,670.06 mi (7,515.73 km) |
| Round Rock to Tredegar | 4,769.24 mi (7,675.35 km) |
| Round Rock to Trentham | 4,777.52 mi (7,688.68 km) |
| Round Rock to Tring | 4,869.51 mi (7,836.72 km) |
| Round Rock to Troon | 4,618.34 mi (7,432.50 km) |
| Round Rock to Trowbridge | 4,822.55 mi (7,761.14 km) |
| Round Rock to Truro | 4,737.24 mi (7,623.86 km) |
