| Richterswil to Oberkirch | 95.35 mi (153.45 km) |
| Richterswil to Obernburg am Main | 182.37 mi (293.50 km) |
| Richterswil to Obernkirchen | 349.40 mi (562.30 km) |
| Richterswil to Oberschleissheim | 151.13 mi (243.22 km) |
| Richterswil to Oberstdorf | 75.17 mi (120.97 km) |
| Richterswil to Obertraubling | 200.48 mi (322.64 km) |
| Richterswil to Obertshausen | 197.01 mi (317.06 km) |
| Richterswil to Oberursel | 206.43 mi (332.22 km) |
| Richterswil to Ochsenfurt | 179.41 mi (288.73 km) |
| Richterswil to Ochsenhausen | 82.88 mi (133.38 km) |
| Richterswil to Ochtrup | 351.22 mi (565.23 km) |
| Richterswil to Odenthal | 273.23 mi (439.72 km) |
| Richterswil to Oelde | 319.93 mi (514.87 km) |
| Richterswil to Oelsnitz | 271.52 mi (436.97 km) |
| Richterswil to Oer-Erkenschwick | 312.61 mi (503.10 km) |
