| Harpenden to Todi | 862.39 mi (1,387.88 km) |
| Harpenden to Tolentino | 868.48 mi (1,397.68 km) |
| Harpenden to Tolmezzo | 709.54 mi (1,141.89 km) |
| Harpenden to Torre Annunziata | 1,036.85 mi (1,668.65 km) |
| Harpenden to Torre Boldone | 621.28 mi (999.85 km) |
| Harpenden to Torre del Greco | 1,033.73 mi (1,663.62 km) |
| Harpenden to Torre Maggiore | 1,014.95 mi (1,633.40 km) |
| Harpenden to Torre Santa Susanna | 1,162.34 mi (1,870.60 km) |
| Harpenden to Torri di Quartesolo | 696.95 mi (1,121.64 km) |
| Harpenden to Tortoli | 949.72 mi (1,528.42 km) |
| Harpenden to Tortona | 637.71 mi (1,026.30 km) |
| Harpenden to Tortoreto | 910.84 mi (1,465.86 km) |
| Harpenden to Tradate | 596.53 mi (960.03 km) |
| Harpenden to Trani | 1,075.33 mi (1,730.57 km) |
| Harpenden to Trapani | 1,138.86 mi (1,832.81 km) |
