| San Giovanni Valdarno to Oberkirch | 380.99 mi (613.14 km) |
| San Giovanni Valdarno to Obernburg am Main | 448.10 mi (721.15 km) |
| San Giovanni Valdarno to Obernkirchen | 611.47 mi (984.06 km) |
| San Giovanni Valdarno to Oberschleissheim | 323.75 mi (521.02 km) |
| San Giovanni Valdarno to Oberstdorf | 272.52 mi (438.59 km) |
| San Giovanni Valdarno to Obertraubling | 374.42 mi (602.58 km) |
| San Giovanni Valdarno to Obertshausen | 466.96 mi (751.50 km) |
| San Giovanni Valdarno to Oberursel | 479.37 mi (771.47 km) |
| San Giovanni Valdarno to Ochsenfurt | 426.17 mi (685.86 km) |
| San Giovanni Valdarno to Ochsenhausen | 320.65 mi (516.04 km) |
| San Giovanni Valdarno to Ochtrup | 629.75 mi (1,013.48 km) |
| San Giovanni Valdarno to Odenthal | 555.73 mi (894.37 km) |
| San Giovanni Valdarno to Oelde | 592.41 mi (953.40 km) |
| San Giovanni Valdarno to Oelsnitz | 474.38 mi (763.45 km) |
| San Giovanni Valdarno to Oer-Erkenschwick | 592.44 mi (953.43 km) |
