| Romanshorn to Trezzo sull'Adda | 135.27 mi (217.70 km) |
| Romanshorn to Tricase | 692.00 mi (1,113.67 km) |
| Romanshorn to Trieste | 247.67 mi (398.59 km) |
| Romanshorn to Triggiano | 583.54 mi (939.11 km) |
| Romanshorn to Trinitapoli | 542.61 mi (873.25 km) |
| Romanshorn to Trissino | 167.78 mi (270.01 km) |
| Romanshorn to Triuggio | 131.13 mi (211.03 km) |
| Romanshorn to Trofarello | 194.39 mi (312.83 km) |
| Romanshorn to Troina | 725.91 mi (1,168.25 km) |
| Romanshorn to Turin | 189.44 mi (304.87 km) |
| Romanshorn to Udine | 210.44 mi (338.67 km) |
| Romanshorn to Ugento | 685.60 mi (1,103.37 km) |
| Romanshorn to Umbertide | 327.98 mi (527.83 km) |
| Romanshorn to Urbino | 308.87 mi (497.09 km) |
| Romanshorn to Urgnano | 136.81 mi (220.17 km) |
