| Cities | Distance |
|---|---|
| Trets to Nowy Sacz | 829.18 mi (1,334.43 km) |
| Trets to Nowy Targ | 796.98 mi (1,282.61 km) |
| Trets to Nowy Tomysl | 779.36 mi (1,254.26 km) |
| Trets to Nysa | 731.47 mi (1,177.19 km) |
| Trets to Oborniki | 815.79 mi (1,312.89 km) |
| Trets to Oborniki Slaskie | 753.19 mi (1,212.15 km) |
| Trets to Olawa | 749.99 mi (1,207.00 km) |
| Trets to Olecko | 1,054.24 mi (1,696.64 km) |
| Trets to Olesnica | 764.51 mi (1,230.35 km) |
| Trets to Olesno | 786.18 mi (1,265.23 km) |
| Trets to Olkusz | 805.92 mi (1,297.01 km) |
| Trets to Olsztyn | 979.15 mi (1,575.78 km) |
| Trets to Opalenica | 786.95 mi (1,266.47 km) |
| Trets to Opoczno | 872.67 mi (1,404.43 km) |
| Trets to Opole | 760.63 mi (1,224.12 km) |