| Castel Gandolfo to Traversetolo | 230.26 mi (370.57 km) |
| Castel Gandolfo to Trebaseleghe | 266.77 mi (429.32 km) |
| Castel Gandolfo to Trebisacce | 240.96 mi (387.79 km) |
| Castel Gandolfo to Trecastagni | 313.25 mi (504.13 km) |
| Castel Gandolfo to Trecate | 321.36 mi (517.18 km) |
| Castel Gandolfo to Treia | 113.22 mi (182.20 km) |
| Castel Gandolfo to Trento | 308.08 mi (495.81 km) |
| Castel Gandolfo to Trentola | 95.36 mi (153.46 km) |
| Castel Gandolfo to Trepuzzi | 296.94 mi (477.87 km) |
| Castel Gandolfo to Trescore Balneario | 306.83 mi (493.79 km) |
| Castel Gandolfo to Treviglio | 302.29 mi (486.49 km) |
| Castel Gandolfo to Trevignano | 276.85 mi (445.55 km) |
| Castel Gandolfo to Treviso | 271.98 mi (437.71 km) |
| Castel Gandolfo to Trezzano sul Naviglio | 311.48 mi (501.28 km) |
| Castel Gandolfo to Trezzo sull'Adda | 309.29 mi (497.75 km) |
