| Langley Park to Trezzo sull'Adda | 4,223.84 mi (6,797.61 km) |
| Langley Park to Tricase | 4,809.94 mi (7,740.85 km) |
| Langley Park to Trieste | 4,402.46 mi (7,085.07 km) |
| Langley Park to Triggiano | 4,703.07 mi (7,568.86 km) |
| Langley Park to Trinitapoli | 4,656.81 mi (7,494.41 km) |
| Langley Park to Trissino | 4,303.95 mi (6,926.54 km) |
| Langley Park to Triuggio | 4,211.14 mi (6,777.18 km) |
| Langley Park to Trofarello | 4,166.52 mi (6,705.37 km) |
| Langley Park to Troina | 4,724.22 mi (7,602.90 km) |
| Langley Park to Turin | 4,161.03 mi (6,696.53 km) |
| Langley Park to Udine | 4,365.76 mi (7,026.02 km) |
| Langley Park to Ugento | 4,801.19 mi (7,726.77 km) |
| Langley Park to Umbertide | 4,422.39 mi (7,117.16 km) |
| Langley Park to Urbino | 4,420.81 mi (7,114.61 km) |
| Langley Park to Urgnano | 4,231.71 mi (6,810.27 km) |
