| Lachen to Oberkirch | 99.82 mi (160.64 km) |
| Lachen to Obernburg am Main | 184.04 mi (296.19 km) |
| Lachen to Obernkirchen | 351.41 mi (565.54 km) |
| Lachen to Oberschleissheim | 146.21 mi (235.30 km) |
| Lachen to Oberstdorf | 68.77 mi (110.68 km) |
| Lachen to Obertraubling | 196.48 mi (316.20 km) |
| Lachen to Obertshausen | 199.23 mi (320.62 km) |
| Lachen to Oberursel | 209.03 mi (336.41 km) |
| Lachen to Ochsenfurt | 179.33 mi (288.60 km) |
| Lachen to Ochsenhausen | 79.91 mi (128.61 km) |
| Lachen to Ochtrup | 354.82 mi (571.03 km) |
| Lachen to Odenthal | 277.30 mi (446.27 km) |
| Lachen to Oelde | 322.81 mi (519.51 km) |
| Lachen to Oelsnitz | 269.56 mi (433.81 km) |
| Lachen to Oer-Erkenschwick | 316.33 mi (509.09 km) |
