| Granollers to Oerlinghausen | 775.96 mi (1,248.79 km) |
| Granollers to Oestrich-Winkel | 641.29 mi (1,032.05 km) |
| Granollers to Offenburg | 547.82 mi (881.63 km) |
| Granollers to Oftersheim | 616.45 mi (992.07 km) |
| Granollers to Ohrdruf | 753.06 mi (1,211.93 km) |
| Granollers to Ohringen | 629.84 mi (1,013.62 km) |
| Granollers to Olbernhau | 817.55 mi (1,315.72 km) |
| Granollers to Olching | 633.69 mi (1,019.82 km) |
| Granollers to Oldenburg | 843.15 mi (1,356.91 km) |
| Granollers to Oldenburg in Holstein | 961.21 mi (1,546.92 km) |
| Granollers to Olfen | 738.56 mi (1,188.59 km) |
| Granollers to Olpe | 701.35 mi (1,128.71 km) |
| Granollers to Olsberg | 734.14 mi (1,181.48 km) |
| Granollers to Oranienburg | 923.71 mi (1,486.56 km) |
| Granollers to Ortenberg | 685.49 mi (1,103.20 km) |
