| Harrow to Sueca | 855.45 mi (1,376.71 km) |
| Harrow to Tabernes Blanques | 834.45 mi (1,342.92 km) |
| Harrow to Tabernes de Valldigna | 864.46 mi (1,391.22 km) |
| Harrow to Tafalla | 629.93 mi (1,013.77 km) |
| Harrow to Talavera de la Reina | 831.41 mi (1,338.03 km) |
| Harrow to Tarancon | 809.21 mi (1,302.29 km) |
| Harrow to Tarazona de Aragon | 671.90 mi (1,081.32 km) |
| Harrow to Tarifa | 1,106.54 mi (1,780.80 km) |
| Harrow to Tarragona | 726.98 mi (1,169.96 km) |
| Harrow to Tarrasa | 701.36 mi (1,128.73 km) |
| Harrow to Tarrega | 690.17 mi (1,110.71 km) |
| Harrow to Tegueste | 1,794.94 mi (2,888.68 km) |
| Harrow to Teguise | 1,698.61 mi (2,733.65 km) |
| Harrow to Telde | 1,807.20 mi (2,908.41 km) |
| Harrow to Teror | 1,806.25 mi (2,906.88 km) |
