| Gretna to Trezzo sull'Adda | 5,195.63 mi (8,361.56 km) |
| Gretna to Tricase | 5,781.75 mi (9,304.83 km) |
| Gretna to Trieste | 5,373.48 mi (8,647.79 km) |
| Gretna to Triggiano | 5,674.94 mi (9,132.93 km) |
| Gretna to Trinitapoli | 5,628.66 mi (9,058.46 km) |
| Gretna to Trissino | 5,275.53 mi (8,490.14 km) |
| Gretna to Triuggio | 5,182.94 mi (8,341.14 km) |
| Gretna to Trofarello | 5,138.39 mi (8,269.44 km) |
| Gretna to Troina | 5,693.41 mi (9,162.66 km) |
| Gretna to Turin | 5,132.91 mi (8,260.62 km) |
| Gretna to Udine | 5,336.65 mi (8,588.51 km) |
| Gretna to Ugento | 5,772.98 mi (9,290.71 km) |
| Gretna to Umbertide | 5,394.28 mi (8,681.25 km) |
| Gretna to Urbino | 5,392.70 mi (8,678.71 km) |
| Gretna to Urgnano | 5,203.48 mi (8,374.19 km) |
