| Hackettstown to Trezzo sull'Adda | 4,055.57 mi (6,526.80 km) |
| Hackettstown to Tricase | 4,642.76 mi (7,471.81 km) |
| Hackettstown to Trieste | 4,233.19 mi (6,812.66 km) |
| Hackettstown to Triggiano | 4,535.65 mi (7,299.42 km) |
| Hackettstown to Trinitapoli | 4,489.46 mi (7,225.09 km) |
| Hackettstown to Trissino | 4,135.27 mi (6,655.07 km) |
| Hackettstown to Triuggio | 4,042.89 mi (6,506.41 km) |
| Hackettstown to Trofarello | 3,999.13 mi (6,435.98 km) |
| Hackettstown to Troina | 4,560.04 mi (7,338.67 km) |
| Hackettstown to Turin | 3,993.58 mi (6,427.05 km) |
| Hackettstown to Udine | 4,196.39 mi (6,753.44 km) |
| Hackettstown to Ugento | 4,634.08 mi (7,457.83 km) |
| Hackettstown to Umbertide | 4,254.90 mi (6,847.60 km) |
| Hackettstown to Urbino | 4,252.95 mi (6,844.47 km) |
| Hackettstown to Urgnano | 4,063.40 mi (6,539.41 km) |
