| Round Rock to Teruel | 5,202.29 mi (8,372.27 km) |
| Round Rock to Teulada | 5,311.91 mi (8,548.70 km) |
| Round Rock to Tiana | 5,319.42 mi (8,560.79 km) |
| Round Rock to Tineo | 4,863.55 mi (7,827.13 km) |
| Round Rock to Tocina | 5,066.34 mi (8,153.49 km) |
| Round Rock to Toledo | 5,080.29 mi (8,175.93 km) |
| Round Rock to Tolosa | 5,069.55 mi (8,158.66 km) |
| Round Rock to Tomares | 5,057.70 mi (8,139.58 km) |
| Round Rock to Tomelloso | 5,149.77 mi (8,287.75 km) |
| Round Rock to Tomino | 4,796.38 mi (7,719.03 km) |
| Round Rock to Tordera | 5,332.25 mi (8,581.42 km) |
| Round Rock to Tordesillas | 4,984.83 mi (8,022.31 km) |
| Round Rock to Torello | 5,299.93 mi (8,529.41 km) |
| Round Rock to Toro | 4,965.76 mi (7,991.63 km) |
| Round Rock to Torre del Campo | 5,151.77 mi (8,290.97 km) |
