| Amersfoort to Oberkirch | 276.75 mi (445.39 km) |
| Amersfoort to Obernburg am Main | 228.38 mi (367.54 km) |
| Amersfoort to Obernkirchen | 158.31 mi (254.77 km) |
| Amersfoort to Oberschleissheim | 383.67 mi (617.46 km) |
| Amersfoort to Oberstdorf | 393.48 mi (633.24 km) |
| Amersfoort to Obertraubling | 369.97 mi (595.42 km) |
| Amersfoort to Obertshausen | 207.61 mi (334.11 km) |
| Amersfoort to Oberursel | 192.91 mi (310.46 km) |
| Amersfoort to Ochsenfurt | 267.27 mi (430.14 km) |
| Amersfoort to Ochsenhausen | 346.68 mi (557.93 km) |
| Amersfoort to Ochtrup | 76.65 mi (123.36 km) |
| Amersfoort to Odenthal | 107.18 mi (172.49 km) |
| Amersfoort to Oelde | 119.72 mi (192.67 km) |
| Amersfoort to Oelsnitz | 316.51 mi (509.38 km) |
| Amersfoort to Oer-Erkenschwick | 87.01 mi (140.03 km) |
