| Harpenden to Szombathely | 822.03 mi (1,322.93 km) |
| Harpenden to Tapolca | 866.22 mi (1,394.04 km) |
| Harpenden to Tarnok | 910.69 mi (1,465.61 km) |
| Harpenden to Tata | 879.33 mi (1,415.14 km) |
| Harpenden to Tatabanya | 884.32 mi (1,423.17 km) |
| Harpenden to Tiszafoldvar | 981.17 mi (1,579.04 km) |
| Harpenden to Tiszafured | 983.06 mi (1,582.09 km) |
| Harpenden to Tiszakecske | 975.90 mi (1,570.56 km) |
| Harpenden to Tiszaujvaros | 987.42 mi (1,589.10 km) |
| Harpenden to Tiszavasvari | 999.03 mi (1,607.78 km) |
| Harpenden to Tokol | 916.45 mi (1,474.88 km) |
| Harpenden to Tolna | 938.85 mi (1,510.93 km) |
| Harpenden to Torokbalint | 910.54 mi (1,465.37 km) |
| Harpenden to Torokszentmiklos | 981.39 mi (1,579.40 km) |
| Harpenden to Ujfeherto | 1,016.61 mi (1,636.07 km) |
