| Amriswil to Oberkirch | 88.17 mi (141.90 km) |
| Amriswil to Obernburg am Main | 158.39 mi (254.90 km) |
| Amriswil to Obernkirchen | 325.97 mi (524.60 km) |
| Amriswil to Oberschleissheim | 115.60 mi (186.03 km) |
| Amriswil to Oberstdorf | 46.74 mi (75.22 km) |
| Amriswil to Obertraubling | 164.18 mi (264.22 km) |
| Amriswil to Obertshausen | 175.18 mi (281.92 km) |
| Amriswil to Oberursel | 186.24 mi (299.73 km) |
| Amriswil to Ochsenfurt | 149.26 mi (240.22 km) |
| Amriswil to Ochsenhausen | 46.97 mi (75.59 km) |
| Amriswil to Ochtrup | 335.07 mi (539.24 km) |
| Amriswil to Odenthal | 259.98 mi (418.39 km) |
| Amriswil to Oelde | 300.37 mi (483.39 km) |
| Amriswil to Oelsnitz | 236.87 mi (381.21 km) |
| Amriswil to Oer-Erkenschwick | 297.23 mi (478.35 km) |
