| Zaanstad to Oberkirch | 308.29 mi (496.14 km) |
| Zaanstad to Obernburg am Main | 262.19 mi (421.96 km) |
| Zaanstad to Obernkirchen | 183.65 mi (295.56 km) |
| Zaanstad to Oberschleissheim | 417.49 mi (671.89 km) |
| Zaanstad to Oberstdorf | 426.46 mi (686.32 km) |
| Zaanstad to Obertraubling | 403.56 mi (649.47 km) |
| Zaanstad to Obertshausen | 241.43 mi (388.54 km) |
| Zaanstad to Oberursel | 226.72 mi (364.88 km) |
| Zaanstad to Ochsenfurt | 301.07 mi (484.53 km) |
| Zaanstad to Ochsenhausen | 379.89 mi (611.37 km) |
| Zaanstad to Ochtrup | 103.51 mi (166.58 km) |
| Zaanstad to Odenthal | 140.94 mi (226.82 km) |
| Zaanstad to Oelde | 149.60 mi (240.76 km) |
| Zaanstad to Oelsnitz | 348.22 mi (560.41 km) |
| Zaanstad to Oer-Erkenschwick | 119.65 mi (192.55 km) |
