| Sankt Ingbert to Oberkirch | 68.79 mi (110.71 km) |
| Sankt Ingbert to Obernburg am Main | 98.09 mi (157.86 km) |
| Sankt Ingbert to Obernkirchen | 222.80 mi (358.56 km) |
| Sankt Ingbert to Oberschleissheim | 215.18 mi (346.30 km) |
| Sankt Ingbert to Oberstdorf | 195.27 mi (314.25 km) |
| Sankt Ingbert to Obertraubling | 229.43 mi (369.23 km) |
| Sankt Ingbert to Obertshausen | 93.24 mi (150.06 km) |
| Sankt Ingbert to Oberursel | 90.24 mi (145.23 km) |
| Sankt Ingbert to Ochsenfurt | 134.62 mi (216.65 km) |
| Sankt Ingbert to Ochsenhausen | 154.51 mi (248.65 km) |
| Sankt Ingbert to Ochtrup | 200.78 mi (323.13 km) |
| Sankt Ingbert to Odenthal | 119.76 mi (192.73 km) |
| Sankt Ingbert to Oelde | 180.81 mi (290.98 km) |
| Sankt Ingbert to Oelsnitz | 237.75 mi (382.62 km) |
| Sankt Ingbert to Oer-Erkenschwick | 161.94 mi (260.61 km) |
