| Harpenden to Teruel | 793.44 mi (1,276.92 km) |
| Harpenden to Teulada | 904.58 mi (1,455.78 km) |
| Harpenden to Tiana | 724.66 mi (1,166.23 km) |
| Harpenden to Tineo | 653.27 mi (1,051.34 km) |
| Harpenden to Tocina | 1,016.54 mi (1,635.96 km) |
| Harpenden to Toledo | 844.82 mi (1,359.60 km) |
| Harpenden to Tolosa | 605.39 mi (974.29 km) |
| Harpenden to Tomares | 1,035.55 mi (1,666.56 km) |
| Harpenden to Tomelloso | 884.04 mi (1,422.72 km) |
| Harpenden to Tomino | 784.71 mi (1,262.87 km) |
| Harpenden to Tordera | 713.79 mi (1,148.74 km) |
| Harpenden to Tordesillas | 745.77 mi (1,200.20 km) |
| Harpenden to Torello | 685.99 mi (1,103.99 km) |
| Harpenden to Toro | 750.12 mi (1,207.20 km) |
| Harpenden to Torre del Campo | 985.83 mi (1,586.54 km) |
