| Cities | Distance |
|---|---|
| Onex to Trezzo sull'Adda | 169.16 mi (272.24 km) |
| Onex to Tricase | 753.60 mi (1,212.80 km) |
| Onex to Trieste | 370.39 mi (596.08 km) |
| Onex to Triggiano | 645.38 mi (1,038.64 km) |
| Onex to Trinitapoli | 599.69 mi (965.11 km) |
| Onex to Trissino | 256.86 mi (413.37 km) |
| Onex to Triuggio | 156.31 mi (251.56 km) |
| Onex to Trofarello | 114.50 mi (184.28 km) |
| Onex to Troina | 725.33 mi (1,167.30 km) |
| Onex to Turin | 107.78 mi (173.46 km) |
| Onex to Udine | 341.58 mi (549.72 km) |
| Onex to Ugento | 745.38 mi (1,199.58 km) |
| Onex to Umbertide | 364.89 mi (587.23 km) |
| Onex to Urbino | 361.80 mi (582.25 km) |
| Onex to Urgnano | 177.55 mi (285.74 km) |