| Trzin to Oberkirch | 345.42 mi (555.90 km) |
| Trzin to Obernburg am Main | 358.02 mi (576.18 km) |
| Trzin to Obernkirchen | 489.39 mi (787.60 km) |
| Trzin to Oberschleissheim | 202.70 mi (326.21 km) |
| Trzin to Oberstdorf | 220.84 mi (355.42 km) |
| Trzin to Obertraubling | 225.14 mi (362.33 km) |
| Trzin to Obertshausen | 378.74 mi (609.53 km) |
| Trzin to Oberursel | 393.48 mi (633.24 km) |
| Trzin to Ochsenfurt | 319.74 mi (514.56 km) |
| Trzin to Ochsenhausen | 254.79 mi (410.05 km) |
| Trzin to Ochtrup | 534.92 mi (860.87 km) |
| Trzin to Odenthal | 479.41 mi (771.54 km) |
| Trzin to Oelde | 488.96 mi (786.90 km) |
| Trzin to Oelsnitz | 315.58 mi (507.88 km) |
| Trzin to Oer-Erkenschwick | 504.51 mi (811.93 km) |
