| Hemel Hempstead to Trezzo sull'Adda | 621.76 mi (1,000.62 km) |
| Hemel Hempstead to Tricase | 1,213.59 mi (1,953.09 km) |
| Hemel Hempstead to Trieste | 772.15 mi (1,242.66 km) |
| Hemel Hempstead to Triggiano | 1,104.44 mi (1,777.42 km) |
| Hemel Hempstead to Trinitapoli | 1,061.49 mi (1,708.30 km) |
| Hemel Hempstead to Trissino | 687.38 mi (1,106.23 km) |
| Hemel Hempstead to Triuggio | 610.47 mi (982.46 km) |
| Hemel Hempstead to Trofarello | 599.66 mi (965.05 km) |
| Hemel Hempstead to Troina | 1,210.66 mi (1,948.37 km) |
| Hemel Hempstead to Turin | 592.65 mi (953.78 km) |
| Hemel Hempstead to Udine | 734.11 mi (1,181.43 km) |
| Hemel Hempstead to Ugento | 1,206.59 mi (1,941.82 km) |
| Hemel Hempstead to Umbertide | 833.11 mi (1,340.77 km) |
| Hemel Hempstead to Urbino | 821.47 mi (1,322.02 km) |
| Hemel Hempstead to Urgnano | 628.17 mi (1,010.95 km) |
