| Slupca to Oberkirch | 502.62 mi (808.89 km) |
| Slupca to Obernburg am Main | 414.85 mi (667.64 km) |
| Slupca to Obernkirchen | 369.58 mi (594.79 km) |
| Slupca to Oberschleissheim | 394.31 mi (634.57 km) |
| Slupca to Oberstdorf | 477.44 mi (768.36 km) |
| Slupca to Obertraubling | 339.62 mi (546.56 km) |
| Slupca to Obertshausen | 420.21 mi (676.26 km) |
| Slupca to Oberursel | 426.69 mi (686.70 km) |
| Slupca to Ochsenfurt | 385.30 mi (620.08 km) |
| Slupca to Ochsenhausen | 455.68 mi (733.34 km) |
| Slupca to Ochtrup | 451.22 mi (726.17 km) |
| Slupca to Odenthal | 468.46 mi (753.91 km) |
| Slupca to Oelde | 413.66 mi (665.72 km) |
| Slupca to Oelsnitz | 278.12 mi (447.59 km) |
| Slupca to Oer-Erkenschwick | 453.74 mi (730.22 km) |
