| Sanlucar la Mayor to Oberkirch | 1,052.60 mi (1,694.00 km) |
| Sanlucar la Mayor to Obernburg am Main | 1,148.67 mi (1,848.61 km) |
| Sanlucar la Mayor to Obernkirchen | 1,267.55 mi (2,039.92 km) |
| Sanlucar la Mayor to Oberschleissheim | 1,167.41 mi (1,878.77 km) |
| Sanlucar la Mayor to Oberstdorf | 1,085.55 mi (1,747.02 km) |
| Sanlucar la Mayor to Obertraubling | 1,217.73 mi (1,959.75 km) |
| Sanlucar la Mayor to Obertshausen | 1,149.46 mi (1,849.88 km) |
| Sanlucar la Mayor to Oberursel | 1,147.95 mi (1,847.45 km) |
| Sanlucar la Mayor to Ochsenfurt | 1,170.94 mi (1,884.45 km) |
| Sanlucar la Mayor to Ochsenhausen | 1,099.18 mi (1,768.95 km) |
| Sanlucar la Mayor to Ochtrup | 1,212.18 mi (1,950.81 km) |
| Sanlucar la Mayor to Odenthal | 1,147.00 mi (1,845.92 km) |
| Sanlucar la Mayor to Oelde | 1,217.95 mi (1,960.10 km) |
| Sanlucar la Mayor to Oelsnitz | 1,276.70 mi (2,054.65 km) |
| Sanlucar la Mayor to Oer-Erkenschwick | 1,183.20 mi (1,904.18 km) |
