| Ludwigsburg to Obernburg am Main | 65.16 mi (104.87 km) |
| Ludwigsburg to Obernkirchen | 232.79 mi (374.64 km) |
| Ludwigsburg to Oberschleissheim | 117.40 mi (188.94 km) |
| Ludwigsburg to Oberstdorf | 114.35 mi (184.04 km) |
| Ludwigsburg to Obertraubling | 135.10 mi (217.42 km) |
| Ludwigsburg to Obertshausen | 82.37 mi (132.57 km) |
| Ludwigsburg to Oberursel | 94.34 mi (151.83 km) |
| Ludwigsburg to Ochsenfurt | 65.25 mi (105.01 km) |
| Ludwigsburg to Ochsenhausen | 66.71 mi (107.35 km) |
| Ludwigsburg to Ochtrup | 244.86 mi (394.06 km) |
| Ludwigsburg to Odenthal | 174.01 mi (280.04 km) |
| Ludwigsburg to Oelde | 207.97 mi (334.70 km) |
| Ludwigsburg to Oelsnitz | 169.44 mi (272.69 km) |
| Ludwigsburg to Oer-Erkenschwick | 208.10 mi (334.91 km) |
| Ludwigsburg to Oerlinghausen | 213.32 mi (343.30 km) |
