| Amstetten to Oestrich-Winkel | 336.87 mi (542.14 km) |
| Amstetten to Offenburg | 319.54 mi (514.25 km) |
| Amstetten to Oftersheim | 298.94 mi (481.10 km) |
| Amstetten to Ohrdruf | 263.63 mi (424.28 km) |
| Amstetten to Ohringen | 256.05 mi (412.07 km) |
| Amstetten to Olbernhau | 189.19 mi (304.47 km) |
| Amstetten to Olching | 163.71 mi (263.46 km) |
| Amstetten to Oldenburg | 453.11 mi (729.21 km) |
| Amstetten to Oldenburg in Holstein | 460.52 mi (741.14 km) |
| Amstetten to Olfen | 415.25 mi (668.27 km) |
| Amstetten to Olpe | 373.23 mi (600.66 km) |
| Amstetten to Olsberg | 361.96 mi (582.51 km) |
| Amstetten to Oranienburg | 328.34 mi (528.41 km) |
| Amstetten to Ortenberg | 304.29 mi (489.71 km) |
| Amstetten to Oschatz | 233.57 mi (375.90 km) |
