| Harrow Weald to Trezzo sull'Adda | 610.96 mi (983.25 km) |
| Harrow Weald to Tricase | 1,203.15 mi (1,936.29 km) |
| Harrow Weald to Trieste | 762.49 mi (1,227.11 km) |
| Harrow Weald to Triggiano | 1,093.98 mi (1,760.59 km) |
| Harrow Weald to Trinitapoli | 1,050.94 mi (1,691.32 km) |
| Harrow Weald to Trissino | 677.05 mi (1,089.61 km) |
| Harrow Weald to Triuggio | 599.64 mi (965.02 km) |
| Harrow Weald to Trofarello | 588.30 mi (946.77 km) |
| Harrow Weald to Troina | 1,199.35 mi (1,930.17 km) |
| Harrow Weald to Turin | 581.30 mi (935.51 km) |
| Harrow Weald to Udine | 724.50 mi (1,165.98 km) |
| Harrow Weald to Ugento | 1,196.12 mi (1,924.96 km) |
| Harrow Weald to Umbertide | 822.29 mi (1,323.34 km) |
| Harrow Weald to Urbino | 810.82 mi (1,304.88 km) |
| Harrow Weald to Urgnano | 617.42 mi (993.64 km) |
