| Mierlo to Oberkirch | 228.76 mi (368.15 km) |
| Mierlo to Obernburg am Main | 189.85 mi (305.53 km) |
| Mierlo to Obernkirchen | 159.80 mi (257.17 km) |
| Mierlo to Oberschleissheim | 344.52 mi (554.46 km) |
| Mierlo to Oberstdorf | 348.33 mi (560.59 km) |
| Mierlo to Obertraubling | 336.11 mi (540.92 km) |
| Mierlo to Obertshausen | 169.55 mi (272.86 km) |
| Mierlo to Oberursel | 154.83 mi (249.18 km) |
| Mierlo to Ochsenfurt | 231.12 mi (371.95 km) |
| Mierlo to Ochsenhausen | 302.40 mi (486.67 km) |
| Mierlo to Ochtrup | 85.38 mi (137.41 km) |
| Mierlo to Odenthal | 70.63 mi (113.67 km) |
| Mierlo to Oelde | 111.84 mi (179.99 km) |
| Mierlo to Oelsnitz | 293.67 mi (472.61 km) |
| Mierlo to Oer-Erkenschwick | 71.47 mi (115.02 km) |
