| Colwyn Bay to Trezzo sull'Adda | 794.16 mi (1,278.08 km) |
| Colwyn Bay to Tricase | 1,385.54 mi (2,229.82 km) |
| Colwyn Bay to Trieste | 941.55 mi (1,515.28 km) |
| Colwyn Bay to Triggiano | 1,276.44 mi (2,054.23 km) |
| Colwyn Bay to Trinitapoli | 1,233.66 mi (1,985.38 km) |
| Colwyn Bay to Trissino | 859.14 mi (1,382.65 km) |
| Colwyn Bay to Triuggio | 782.87 mi (1,259.91 km) |
| Colwyn Bay to Trofarello | 770.50 mi (1,240.00 km) |
| Colwyn Bay to Troina | 1,381.71 mi (2,223.65 km) |
| Colwyn Bay to Turin | 763.56 mi (1,228.83 km) |
| Colwyn Bay to Udine | 903.26 mi (1,453.66 km) |
| Colwyn Bay to Ugento | 1,378.62 mi (2,218.67 km) |
| Colwyn Bay to Umbertide | 1,005.51 mi (1,618.22 km) |
| Colwyn Bay to Urbino | 993.78 mi (1,599.34 km) |
| Colwyn Bay to Urgnano | 800.56 mi (1,288.38 km) |
