| Harrow to Todi | 851.59 mi (1,370.51 km) |
| Harrow to Tolentino | 858.45 mi (1,381.54 km) |
| Harrow to Tolmezzo | 702.23 mi (1,130.12 km) |
| Harrow to Torre Annunziata | 1,025.98 mi (1,651.16 km) |
| Harrow to Torre Boldone | 611.08 mi (983.44 km) |
| Harrow to Torre del Greco | 1,022.85 mi (1,646.12 km) |
| Harrow to Torre Maggiore | 1,004.99 mi (1,617.38 km) |
| Harrow to Torre Santa Susanna | 1,152.86 mi (1,855.34 km) |
| Harrow to Torri di Quartesolo | 687.84 mi (1,106.98 km) |
| Harrow to Tortoli | 936.23 mi (1,506.71 km) |
| Harrow to Tortona | 626.21 mi (1,007.79 km) |
| Harrow to Tortoreto | 900.88 mi (1,449.83 km) |
| Harrow to Tradate | 585.76 mi (942.69 km) |
| Harrow to Trani | 1,065.68 mi (1,715.05 km) |
| Harrow to Trapani | 1,126.04 mi (1,812.18 km) |
