| Harrow to Totana | 956.00 mi (1,538.54 km) |
| Harrow to Trujillo | 878.44 mi (1,413.71 km) |
| Harrow to Tudela | 660.32 mi (1,062.68 km) |
| Harrow to Tudela de Duero | 719.23 mi (1,157.49 km) |
| Harrow to Tuineje | 1,757.11 mi (2,827.79 km) |
| Harrow to Ubeda | 949.17 mi (1,527.54 km) |
| Harrow to Ubrique | 1,059.50 mi (1,705.10 km) |
| Harrow to Umbrete | 1,022.30 mi (1,645.23 km) |
| Harrow to Utebo | 682.60 mi (1,098.54 km) |
| Harrow to Utiel | 831.28 mi (1,337.81 km) |
| Harrow to Utrera | 1,029.63 mi (1,657.04 km) |
| Harrow to Valdemorillo | 785.93 mi (1,264.83 km) |
| Harrow to Valdemoro | 803.05 mi (1,292.38 km) |
| Harrow to Valdepenas | 897.76 mi (1,444.80 km) |
| Harrow to Valencia | 836.97 mi (1,346.97 km) |
