| Castellanza to Tricase | 619.51 mi (997.01 km) |
| Castellanza to Trieste | 235.27 mi (378.64 km) |
| Castellanza to Triggiano | 510.56 mi (821.67 km) |
| Castellanza to Trinitapoli | 465.71 mi (749.50 km) |
| Castellanza to Trissino | 119.31 mi (192.01 km) |
| Castellanza to Triuggio | 18.05 mi (29.04 km) |
| Castellanza to Trofarello | 71.62 mi (115.27 km) |
| Castellanza to Troina | 615.56 mi (990.65 km) |
| Castellanza to Turin | 70.08 mi (112.78 km) |
| Castellanza to Udine | 210.85 mi (339.34 km) |
| Castellanza to Ugento | 611.72 mi (984.48 km) |
| Castellanza to Umbertide | 232.96 mi (374.91 km) |
| Castellanza to Urbino | 225.35 mi (362.67 km) |
| Castellanza to Urgnano | 38.45 mi (61.88 km) |
| Castellanza to Usmate Velate | 21.86 mi (35.18 km) |
