| Troisdorf to Traversetolo | 452.19 mi (727.74 km) |
| Troisdorf to Trebaseleghe | 425.84 mi (685.33 km) |
| Troisdorf to Trebisacce | 881.44 mi (1,418.54 km) |
| Troisdorf to Trecastagni | 991.51 mi (1,595.69 km) |
| Troisdorf to Trecate | 378.94 mi (609.85 km) |
| Troisdorf to Treia | 593.53 mi (955.19 km) |
| Troisdorf to Trento | 374.90 mi (603.34 km) |
| Troisdorf to Trentola | 758.27 mi (1,220.32 km) |
| Troisdorf to Trepuzzi | 890.22 mi (1,432.66 km) |
| Troisdorf to Trescore Balneario | 374.52 mi (602.73 km) |
| Troisdorf to Treviglio | 382.62 mi (615.77 km) |
| Troisdorf to Trevignano | 417.99 mi (672.69 km) |
| Troisdorf to Treviso | 425.32 mi (684.49 km) |
| Troisdorf to Trezzano sul Naviglio | 382.18 mi (615.06 km) |
| Troisdorf to Trezzo sull'Adda | 375.84 mi (604.85 km) |
