| Clayton to Trezzo sull'Adda | 756.79 mi (1,217.93 km) |
| Clayton to Tricase | 1,341.65 mi (2,159.18 km) |
| Clayton to Trieste | 891.29 mi (1,434.39 km) |
| Clayton to Triggiano | 1,233.04 mi (1,984.38 km) |
| Clayton to Trinitapoli | 1,191.46 mi (1,917.47 km) |
| Clayton to Trissino | 815.80 mi (1,312.90 km) |
| Clayton to Triuggio | 746.17 mi (1,200.85 km) |
| Clayton to Trofarello | 742.89 mi (1,195.57 km) |
| Clayton to Troina | 1,352.10 mi (2,176.00 km) |
| Clayton to Turin | 735.79 mi (1,184.14 km) |
| Clayton to Udine | 852.70 mi (1,372.29 km) |
| Clayton to Ugento | 1,335.17 mi (2,148.75 km) |
| Clayton to Umbertide | 967.71 mi (1,557.38 km) |
| Clayton to Urbino | 953.62 mi (1,534.70 km) |
| Clayton to Urgnano | 762.61 mi (1,227.31 km) |
