| Santa Marinella to Oberkirch | 484.85 mi (780.28 km) |
| Santa Marinella to Obernburg am Main | 554.77 mi (892.82 km) |
| Santa Marinella to Obernkirchen | 718.46 mi (1,156.25 km) |
| Santa Marinella to Oberschleissheim | 429.75 mi (691.62 km) |
| Santa Marinella to Oberstdorf | 379.37 mi (610.54 km) |
| Santa Marinella to Obertraubling | 479.23 mi (771.25 km) |
| Santa Marinella to Obertshausen | 573.47 mi (922.91 km) |
| Santa Marinella to Oberursel | 585.70 mi (942.59 km) |
| Santa Marinella to Ochsenfurt | 533.17 mi (858.06 km) |
| Santa Marinella to Ochsenhausen | 427.41 mi (687.85 km) |
| Santa Marinella to Ochtrup | 735.80 mi (1,184.15 km) |
| Santa Marinella to Odenthal | 660.93 mi (1,063.67 km) |
| Santa Marinella to Oelde | 699.01 mi (1,124.96 km) |
| Santa Marinella to Oelsnitz | 579.43 mi (932.51 km) |
| Santa Marinella to Oer-Erkenschwick | 698.23 mi (1,123.70 km) |
