| Trento to Oberkirch | 221.88 mi (357.08 km) |
| Trento to Obernburg am Main | 276.24 mi (444.57 km) |
| Trento to Obernkirchen | 437.73 mi (704.45 km) |
| Trento to Oberschleissheim | 152.32 mi (245.14 km) |
| Trento to Oberstdorf | 100.91 mi (162.40 km) |
| Trento to Obertraubling | 206.21 mi (331.86 km) |
| Trento to Obertshausen | 295.76 mi (475.98 km) |
| Trento to Oberursel | 308.83 mi (497.01 km) |
| Trento to Ochsenfurt | 252.31 mi (406.06 km) |
| Trento to Ochsenhausen | 149.08 mi (239.91 km) |
| Trento to Ochtrup | 459.62 mi (739.69 km) |
| Trento to Odenthal | 388.74 mi (625.62 km) |
| Trento to Oelde | 420.47 mi (676.67 km) |
| Trento to Oelsnitz | 304.41 mi (489.89 km) |
| Trento to Oer-Erkenschwick | 423.28 mi (681.20 km) |
