| Cities | Distance |
|---|---|
| Heerlen to Trezzo sull'Adda | 398.99 mi (642.11 km) |
| Heerlen to Tricase | 963.33 mi (1,550.33 km) |
| Heerlen to Trieste | 508.39 mi (818.18 km) |
| Heerlen to Triggiano | 855.80 mi (1,377.27 km) |
| Heerlen to Trinitapoli | 816.11 mi (1,313.39 km) |
| Heerlen to Trissino | 442.84 mi (712.69 km) |
| Heerlen to Triuggio | 390.68 mi (628.74 km) |
| Heerlen to Trofarello | 415.59 mi (668.83 km) |
| Heerlen to Troina | 998.68 mi (1,607.22 km) |
| Heerlen to Turin | 408.56 mi (657.52 km) |
| Heerlen to Udine | 469.72 mi (755.94 km) |
| Heerlen to Ugento | 957.41 mi (1,540.80 km) |
| Heerlen to Umbertide | 602.60 mi (969.79 km) |
| Heerlen to Urbino | 584.09 mi (940.01 km) |
| Heerlen to Urgnano | 403.07 mi (648.68 km) |