| Aalten to Oberkirch | 244.08 mi (392.81 km) |
| Aalten to Obernburg am Main | 182.60 mi (293.87 km) |
| Aalten to Obernkirchen | 110.00 mi (177.03 km) |
| Aalten to Oberschleissheim | 336.83 mi (542.08 km) |
| Aalten to Oberstdorf | 353.44 mi (568.81 km) |
| Aalten to Obertraubling | 319.82 mi (514.70 km) |
| Aalten to Obertshausen | 161.86 mi (260.49 km) |
| Aalten to Oberursel | 147.57 mi (237.49 km) |
| Aalten to Ochsenfurt | 219.12 mi (352.64 km) |
| Aalten to Ochsenhausen | 305.70 mi (491.97 km) |
| Aalten to Ochtrup | 31.92 mi (51.36 km) |
| Aalten to Odenthal | 66.28 mi (106.67 km) |
| Aalten to Oelde | 67.17 mi (108.10 km) |
| Aalten to Oelsnitz | 263.49 mi (424.05 km) |
| Aalten to Oer-Erkenschwick | 34.91 mi (56.18 km) |
