| Pittsburgh to Trezzo sull'Adda | 4,289.52 mi (6,903.32 km) |
| Pittsburgh to Tricase | 4,879.99 mi (7,853.58 km) |
| Pittsburgh to Trieste | 4,462.82 mi (7,182.21 km) |
| Pittsburgh to Triggiano | 4,772.16 mi (7,680.05 km) |
| Pittsburgh to Trinitapoli | 4,726.28 mi (7,606.21 km) |
| Pittsburgh to Trissino | 4,367.53 mi (7,028.87 km) |
| Pittsburgh to Triuggio | 4,276.95 mi (6,883.08 km) |
| Pittsburgh to Trofarello | 4,236.23 mi (6,817.56 km) |
| Pittsburgh to Troina | 4,805.32 mi (7,733.41 km) |
| Pittsburgh to Turin | 4,230.51 mi (6,808.35 km) |
| Pittsburgh to Udine | 4,425.56 mi (7,122.25 km) |
| Pittsburgh to Ugento | 4,871.52 mi (7,839.96 km) |
| Pittsburgh to Umbertide | 4,491.44 mi (7,228.27 km) |
| Pittsburgh to Urbino | 4,488.24 mi (7,223.12 km) |
| Pittsburgh to Urgnano | 4,297.21 mi (6,915.70 km) |
