| Granollers to Oberkirch | 555.39 mi (893.81 km) |
| Granollers to Obernburg am Main | 657.18 mi (1,057.63 km) |
| Granollers to Obernkirchen | 802.92 mi (1,292.18 km) |
| Granollers to Oberschleissheim | 644.52 mi (1,037.26 km) |
| Granollers to Oberstdorf | 561.28 mi (903.29 km) |
| Granollers to Obertraubling | 698.15 mi (1,123.57 km) |
| Granollers to Obertshausen | 663.31 mi (1,067.49 km) |
| Granollers to Oberursel | 665.80 mi (1,071.50 km) |
| Granollers to Ochsenfurt | 669.98 mi (1,078.23 km) |
| Granollers to Ochsenhausen | 582.73 mi (937.81 km) |
| Granollers to Ochtrup | 767.43 mi (1,235.07 km) |
| Granollers to Odenthal | 690.37 mi (1,111.04 km) |
| Granollers to Oelde | 758.45 mi (1,220.61 km) |
| Granollers to Oelsnitz | 770.00 mi (1,239.20 km) |
| Granollers to Oer-Erkenschwick | 731.73 mi (1,177.61 km) |
