| Sankt Polten to Obernburg am Main | 314.39 mi (505.97 km) |
| Sankt Polten to Obernkirchen | 401.50 mi (646.15 km) |
| Sankt Polten to Oberschleissheim | 186.43 mi (300.04 km) |
| Sankt Polten to Oberstdorf | 253.59 mi (408.11 km) |
| Sankt Polten to Obertraubling | 166.31 mi (267.64 km) |
| Sankt Polten to Obertshausen | 332.52 mi (535.15 km) |
| Sankt Polten to Oberursel | 346.47 mi (557.59 km) |
| Sankt Polten to Ochsenfurt | 271.06 mi (436.23 km) |
| Sankt Polten to Ochsenhausen | 261.47 mi (420.80 km) |
| Sankt Polten to Ochtrup | 463.70 mi (746.26 km) |
| Sankt Polten to Odenthal | 427.55 mi (688.08 km) |
| Sankt Polten to Oelde | 415.48 mi (668.65 km) |
| Sankt Polten to Oelsnitz | 218.16 mi (351.09 km) |
| Sankt Polten to Oer-Erkenschwick | 441.25 mi (710.13 km) |
| Sankt Polten to Oerlinghausen | 403.02 mi (648.60 km) |
