| Castel Gandolfo to Susegana | 284.20 mi (457.38 km) |
| Castel Gandolfo to Suzzara | 243.75 mi (392.28 km) |
| Castel Gandolfo to Taggia | 283.20 mi (455.76 km) |
| Castel Gandolfo to Taglio | 226.97 mi (365.28 km) |
| Castel Gandolfo to Taormina | 303.23 mi (488.01 km) |
| Castel Gandolfo to Taranto | 254.71 mi (409.91 km) |
| Castel Gandolfo to Tarcento | 310.10 mi (499.07 km) |
| Castel Gandolfo to Tarquinia | 57.62 mi (92.73 km) |
| Castel Gandolfo to Taurianova | 294.49 mi (473.94 km) |
| Castel Gandolfo to Taurisano | 313.75 mi (504.94 km) |
| Castel Gandolfo to Tavagnacco | 304.37 mi (489.83 km) |
| Castel Gandolfo to Taviano | 308.78 mi (496.93 km) |
| Castel Gandolfo to Teano | 80.86 mi (130.14 km) |
| Castel Gandolfo to Tempio Pausania | 193.10 mi (310.77 km) |
| Castel Gandolfo to Teolo | 253.79 mi (408.43 km) |
