| Cities | Distance |
|---|---|
| Trets to Arth | 285.49 mi (459.45 km) |
| Trets to Baar | 293.47 mi (472.30 km) |
| Trets to Baden | 305.23 mi (491.22 km) |
| Trets to Basel | 298.41 mi (480.24 km) |
| Trets to Bassersdorf | 310.72 mi (500.06 km) |
| Trets to Bellinzona | 250.79 mi (403.61 km) |
| Trets to Belp | 253.80 mi (408.46 km) |
| Trets to Bern | 256.65 mi (413.03 km) |
| Trets to Bernex | 189.66 mi (305.22 km) |
| Trets to Biberist | 273.67 mi (440.43 km) |
| Trets to Biel/Bienne | 265.80 mi (427.76 km) |
| Trets to Binningen | 296.65 mi (477.42 km) |
| Trets to Birsfelden | 298.81 mi (480.89 km) |
| Trets to Brig-Glis | 227.54 mi (366.19 km) |
| Trets to Brugg | 304.62 mi (490.24 km) |