| Leonberg to Obernburg am Main | 71.99 mi (115.86 km) |
| Leonberg to Obernkirchen | 239.45 mi (385.36 km) |
| Leonberg to Oberschleissheim | 122.90 mi (197.78 km) |
| Leonberg to Oberstdorf | 112.51 mi (181.06 km) |
| Leonberg to Obertraubling | 143.73 mi (231.31 km) |
| Leonberg to Obertshausen | 87.80 mi (141.29 km) |
| Leonberg to Oberursel | 98.82 mi (159.03 km) |
| Leonberg to Ochsenfurt | 75.48 mi (121.48 km) |
| Leonberg to Ochsenhausen | 66.15 mi (106.45 km) |
| Leonberg to Ochtrup | 248.45 mi (399.85 km) |
| Leonberg to Odenthal | 175.77 mi (282.87 km) |
| Leonberg to Oelde | 212.91 mi (342.65 km) |
| Leonberg to Oelsnitz | 179.95 mi (289.60 km) |
| Leonberg to Oer-Erkenschwick | 211.16 mi (339.83 km) |
| Leonberg to Oerlinghausen | 219.23 mi (352.82 km) |
