| Harpenden to Teisendorf | 646.52 mi (1,040.47 km) |
| Harpenden to Telgte | 346.95 mi (558.37 km) |
| Harpenden to Teltow | 578.62 mi (931.20 km) |
| Harpenden to Templin | 589.00 mi (947.90 km) |
| Harpenden to Teningen | 442.98 mi (712.90 km) |
| Harpenden to Tettnang | 527.55 mi (849.01 km) |
| Harpenden to Teutschenthal | 521.17 mi (838.74 km) |
| Harpenden to Thale | 486.90 mi (783.59 km) |
| Harpenden to Tholey | 361.30 mi (581.45 km) |
| Harpenden to Timmendorfer Strand | 487.17 mi (784.03 km) |
| Harpenden to Tirschenreuth | 568.48 mi (914.88 km) |
| Harpenden to Titisee-Neustadt | 466.84 mi (751.30 km) |
| Harpenden to Toging am Inn | 623.00 mi (1,002.62 km) |
| Harpenden to Tonisvorst | 295.87 mi (476.16 km) |
| Harpenden to Torgau | 571.64 mi (919.96 km) |
