| Certaldo to Oberkirch | 372.46 mi (599.41 km) |
| Certaldo to Obernburg am Main | 443.93 mi (714.44 km) |
| Certaldo to Obernkirchen | 608.89 mi (979.91 km) |
| Certaldo to Oberschleissheim | 325.87 mi (524.44 km) |
| Certaldo to Oberstdorf | 269.37 mi (433.51 km) |
| Certaldo to Obertraubling | 378.18 mi (608.62 km) |
| Certaldo to Obertshausen | 462.30 mi (744.00 km) |
| Certaldo to Oberursel | 474.28 mi (763.28 km) |
| Certaldo to Ochsenfurt | 424.14 mi (682.59 km) |
| Certaldo to Ochsenhausen | 317.00 mi (510.16 km) |
| Certaldo to Ochtrup | 624.02 mi (1,004.26 km) |
| Certaldo to Odenthal | 548.72 mi (883.08 km) |
| Certaldo to Oelde | 587.93 mi (946.18 km) |
| Certaldo to Oelsnitz | 477.54 mi (768.52 km) |
| Certaldo to Oer-Erkenschwick | 586.28 mi (943.53 km) |
