| Hertford to Trezzo sull'Adda | 610.85 mi (983.07 km) |
| Hertford to Tricase | 1,201.68 mi (1,933.92 km) |
| Hertford to Trieste | 758.80 mi (1,221.16 km) |
| Hertford to Triggiano | 1,092.58 mi (1,758.34 km) |
| Hertford to Trinitapoli | 1,049.85 mi (1,689.57 km) |
| Hertford to Trissino | 675.28 mi (1,086.76 km) |
| Hertford to Triuggio | 599.71 mi (965.13 km) |
| Hertford to Trofarello | 590.93 mi (951.01 km) |
| Hertford to Troina | 1,201.57 mi (1,933.75 km) |
| Hertford to Turin | 583.89 mi (939.68 km) |
| Hertford to Udine | 720.65 mi (1,159.78 km) |
| Hertford to Ugento | 1,194.76 mi (1,922.79 km) |
| Hertford to Umbertide | 822.25 mi (1,323.28 km) |
| Hertford to Urbino | 810.12 mi (1,303.76 km) |
| Hertford to Urgnano | 617.15 mi (993.20 km) |
