| Onex to Travagliato | 196.83 mi (316.77 km) |
| Onex to Traversetolo | 233.42 mi (375.65 km) |
| Onex to Trebaseleghe | 289.10 mi (465.25 km) |
| Onex to Trebisacce | 683.25 mi (1,099.58 km) |
| Onex to Trecastagni | 749.81 mi (1,206.70 km) |
| Onex to Trecate | 137.00 mi (220.47 km) |
| Onex to Treia | 405.55 mi (652.67 km) |
| Onex to Trento | 240.33 mi (386.78 km) |
| Onex to Trentola | 540.68 mi (870.15 km) |
| Onex to Trepuzzi | 721.19 mi (1,160.64 km) |
| Onex to Trescore Balneario | 183.23 mi (294.87 km) |
| Onex to Treviglio | 174.18 mi (280.32 km) |
| Onex to Trevignano | 289.51 mi (465.92 km) |
| Onex to Treviso | 297.22 mi (478.32 km) |
| Onex to Trezzano sul Naviglio | 151.98 mi (244.58 km) |
